autotools: Fix circular dependencies in doc/ when building in srcdir

Don't use wildcards that can catch generated files.

While at it, also avoid Doxygen picking up those generated files.

doc/Doxyfile.in

@@ -788,7 +788,11 @@ WARN_LOGFILE           =
 # Note: If this tag is empty the current directory is searched.
 
 INPUT                  = @top_srcdir@/src/ \
-                         @top_srcdir@/doc/ \
+                         @top_srcdir@/doc/plugins.dox \
+                         @top_srcdir@/doc/pluginsignals.c \
+                         @top_srcdir@/doc/pluginsymbols.c \
+                         @top_srcdir@/doc/stash-example.c \
+                         @top_srcdir@/doc/stash-gui-example.c \
                          @top_srcdir@/plugins/geanyplugin.h \
                          @top_srcdir@/tagmanager/src/tm_source_file.c \
                          @top_srcdir@/tagmanager/src/tm_source_file.h \

doc/Makefile.am

@@ -92,8 +92,11 @@ endif
 if WITH_DOXYGEN
 
 doxygen_sources = \
-	$(srcdir)/*.[ch] \
-	$(srcdir)/*.dox \
+	$(srcdir)/plugins.dox \
+	$(srcdir)/pluginsignals.c \
+	$(srcdir)/pluginsymbols.c \
+	$(srcdir)/stash-example.c \
+	$(srcdir)/stash-gui-example.c \
 	$(top_srcdir)/src/*.[ch] \
 	$(top_srcdir)/plugins/geanyplugin.h \
 	$(top_srcdir)/tagmanager/src/tm_source_file.[ch] \