Add more general fix for the const/none-const type compatibility-check issue


git-svn-id: svn+ssh://svn.code.sf.net/p/mingw-w64/code/trunk@6592 4407c894-4637-0410-b4f5-ada5f102cad1

mingw-w64-headers/crt/math.h

diff --git a/mingw-w64-headers/crt/math.h b/mingw-w64-headers/crt/math.h
index c3837b4..91ccebf 100644
--- a/mingw-w64-headers/crt/math.h
+++ b/mingw-w64-headers/crt/math.h
@@ -82,9 +82,17 @@
 template <typename type1> struct __mingw_types_compatible_p<type1, type1> {
  static const bool result = true;
 };
+
+template <typename type1> struct __mingw_types_compatible_p<const type1, type1> {
+  static const bool result = true;
+};
+
+template <typename type1> struct __mingw_types_compatible_p<type1, const type1> {
+  static const bool result = true;
+};
 }
 
-#define __mingw_types_compatible_p(type1, type2) (__mingw_types_compatible_p <type1, type2>::result || __mingw_types_compatible_p <type1, const type2>::result)
+#define __mingw_types_compatible_p(type1, type2) __mingw_types_compatible_p <type1, type2>::result
 #else
 #define __mingw_types_compatible_p(type1, type2) __builtin_types_compatible_p (type1, type2)
 #endif