WaE: "__uuidof" redefined

It would probably be better to find out why the "stock" __uuidof from
MinGW causes linking error for libdnd (missing symbols) and if it can be
fixed , but I am too lazy .-)

dtrans/source/win32/clipb/MtaOleClipb.cxx

@@ -55,6 +55,9 @@
 
 #include <systools/win32/comtools.hxx>
 #ifdef __MINGW32__
+#if defined __uuidof
+#undef __uuidof
+#endif
 #define __uuidof(I) IID_##I
 #endif
 

dtrans/source/win32/dnd/idroptarget.cxx

@@ -30,6 +30,9 @@
 #include <rtl/unload.h>
 
 #ifdef __MINGW32__
+#if defined __uuidof
+#undef __uuidof
+#endif
 #define __uuidof(I) IID_##I
 #endif
 

dtrans/source/win32/dnd/source.cxx

@@ -45,6 +45,9 @@
 #include <stdio.h>
 
 #ifdef __MINGW32__
+#if defined __uuidof
+#undef __uuidof
+#endif
 #define __uuidof(I) IID_##I
 #endif
 

dtrans/source/win32/dtobj/APNDataObject.cxx

@@ -34,6 +34,9 @@
 
 #include <systools/win32/comtools.hxx>
 #ifdef __MINGW32__
+#if defined __uuidof
+#undef __uuidof
+#endif
 #define __uuidof(I) IID_##I
 #endif
 

dtrans/source/win32/dtobj/XNotifyingDataObject.cxx

@@ -33,6 +33,9 @@
 #include "../../inc/DtObjFactory.hxx"
 
 #ifdef __MINGW32__
+#if defined __uuidof
+#undef __uuidof
+#endif
 #define __uuidof(I) IID_##I
 #endif
 

dtrans/source/win32/dtobj/XTDataObject.cxx

@@ -50,6 +50,9 @@
 #endif
 
 #ifdef __MINGW32__
+#if defined __uuidof
+#undef __uuidof
+#endif
 #define __uuidof(I) IID_##I
 #endif