Make the pipe headers C++ friendly.

src/gallium/include/pipe/p_util.h

@@ -34,13 +34,13 @@
 #include <math.h>
 
 
-#ifdef WIN32
-
 #ifdef __cplusplus
-extern "C"
-{
+extern "C" {
 #endif
 
+
+#ifdef WIN32
+
 void * __stdcall
 EngAllocMem(
     unsigned long Flags,
@@ -51,10 +51,6 @@ void __stdcall
 EngFreeMem(
     void *Mem );
 
-#ifdef __cplusplus
-}
-#endif
-
 static INLINE void *
 MALLOC( unsigned size )
 {
@@ -379,4 +375,8 @@ extern void pipe_copy_rect(ubyte * dst, unsigned cpp, unsigned dst_pitch,
                            int src_pitch, unsigned src_x, int src_y);
 
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif