Add fix for mac build error related C standard lib macros to main header

By updating PythonQtPythonIncludes.h which is included in all PythonQt
headers, it is ensured the fix will be applied consistently.

src/PythonQtInstanceWrapper.h

@@ -46,28 +46,6 @@
 
 #include "PythonQtSystem.h"
 
-/*
- * The following undefs for C standard library macros prevent
- * build errors of the following type on mac ox 10.7.4 and XCode 4.3.3
- *
-/usr/include/c++/4.2.1/bits/localefwd.h:57:21: error: too many arguments provided to function-like macro invocation
-    isspace(_CharT, const locale&);
-                    ^
-/usr/include/c++/4.2.1/bits/localefwd.h:56:5: error: 'inline' can only appear on functions
-    inline bool
-    ^
-/usr/include/c++/4.2.1/bits/localefwd.h:57:5: error: variable 'isspace' declared as a template
-    isspace(_CharT, const locale&);
-    ^
-*/
-#undef isspace
-#undef isupper
-#undef islower
-#undef isalpha
-#undef isalnum
-#undef toupper
-#undef tolower
-
 #include <QPointer>
 
 #include "structmember.h"

src/PythonQtPythonInclude.h

@@ -92,4 +92,27 @@
 # include <Python.h>
 #endif
 
+/*
+ * The following undefs for C standard library macros prevent
+ * build errors of the following type on mac ox 10.7.4 and XCode 4.3.3
+ *
+/usr/include/c++/4.2.1/bits/localefwd.h:57:21: error: too many arguments provided to function-like macro invocation
+    isspace(_CharT, const locale&);
+                    ^
+/usr/include/c++/4.2.1/bits/localefwd.h:56:5: error: 'inline' can only appear on functions
+    inline bool
+    ^
+/usr/include/c++/4.2.1/bits/localefwd.h:57:5: error: variable 'isspace' declared as a template
+    isspace(_CharT, const locale&);
+    ^
+*/
+#undef isspace
+#undef isupper
+#undef islower
+#undef isalpha
+#undef isalnum
+#undef toupper
+#undef tolower
+
 #endif
+