Identify the origin of these files

Makes it more obvious where the file comes from if looking at one as
it has been copied into the UnpackedTarball/clucene tree.

Change-Id: I31cd24e64fd6ce3cf262c8509842ecc4425e1b1a

clucene/configs/_clucene-config-LINUX.h

@@ -2,7 +2,9 @@
 #define _SRC_CLUCENE_INTERNAL_CLUCENE_CONFIG_H 1
 
 /* src/shared/CLucene/_clucene-config.h.
-*  Generated automatically at end of cmake.
+*  Normally generated automatically at end of cmake,
+*  but here in LibreOffice this actually is a copy of
+*  clucene/configs/_clucene-config-LINUX.h.
 *  These are internal definitions, and this file does not need to be distributed
 */
 

clucene/configs/_clucene-config-MSVC.h

@@ -2,7 +2,9 @@
 #define _SRC_CLUCENE_INTERNAL_CLUCENE_CONFIG_H 1
 
 /* src/shared/CLucene/_clucene-config.h.
-*  Generated automatically at end of cmake.
+*  Normally generated automatically at end of cmake,
+*  but here in LibreOffice this actually is a copy of
+*  clucene/configs/_clucene-config-MSVC.h.
 *  These are internal definitions, and this file does not need to be distributed
 */
 

clucene/configs/_clucene-config-generic.h

@@ -2,7 +2,9 @@
 #define _SRC_CLUCENE_INTERNAL_CLUCENE_CONFIG_H 1
 
 /* src/shared/CLucene/_clucene-config.h.
-*  Generated automatically at end of cmake.
+*  Normally generated automatically at end of cmake,
+*  but here in LibreOffice this actually is a copy of
+*  clucene/configs/_clucene-config-generic.h.
 *  These are internal definitions, and this file does not need to be distributed
 */
 

clucene/configs/clucene-config-GCC-atomic.h

@@ -2,7 +2,9 @@
 #define _SRC_CLUCENE_CLUCENE_CONFIG_H 1
 
 /* src/shared/CLucene/clucene-config.h.
-*  Generated automatically at end of cmake.
+*  Normally generated automatically at end of cmake,
+*  but here in LibreOffice this actually is a copy of
+*  clucene/configs/clucene-config-GCC-atomic.h.
 */
 
 /* CMake will look for these headers: */

clucene/configs/clucene-config-MINGW-atomic.h

@@ -2,7 +2,9 @@
 #define _SRC_CLUCENE_CLUCENE_CONFIG_H 1
 
 /* src/shared/CLucene/clucene-config.h.
-*  Generated automatically at end of cmake.
+*  Normally generated automatically at end of cmake,
+*  but here in LibreOffice this actually is a copy of
+*  clucene/configs/clucene-config-MINGW-atomic.h.
 */
 
 /* CMake will look for these headers: */

clucene/configs/clucene-config-MINGW.h

@@ -2,7 +2,9 @@
 #define _SRC_CLUCENE_CLUCENE_CONFIG_H 1
 
 /* src/shared/CLucene/clucene-config.h.
-*  Generated automatically at end of cmake.
+*  Normally generated automatically at end of cmake,
+*  but here in LibreOffice this actually is a copy of
+*  clucene/configs/clucene-config-MINGW.h.
 */
 
 /* CMake will look for these headers: */

clucene/configs/clucene-config-MSVC.h

@@ -2,7 +2,9 @@
 #define _SRC_CLUCENE_CLUCENE_CONFIG_H 1
 
 /* src/shared/CLucene/clucene-config.h.
-*  Generated automatically at end of cmake.
+*  Normally generated automatically at end of cmake,
+*  but here in LibreOffice this actually is a copy of
+*  clucene/configs/clucene-config-MSVC.h.
 */
 
 /* CMake will look for these headers: */

clucene/configs/clucene-config-generic.h

@@ -2,7 +2,9 @@
 #define _SRC_CLUCENE_CLUCENE_CONFIG_H 1
 
 /* src/shared/CLucene/clucene-config.h.
-*  Generated automatically at end of cmake.
+*  Normally generated automatically at end of cmake,
+*  but here in LibreOffice this actually is a copy of
+*  clucene/configs/clucene-config-generic.h.
 */
 
 /* CMake will look for these headers: */