Remove extraneous semicolons after wxDECL_FOR_STRICT_MINGW32().

This macro shouldn't be followed by a semicolon because it can be empty, so
remove the extra semicolons to avoid -Wpedantic g++ warnings about it.

include/wx/filefn.h

@@ -198,7 +198,7 @@ enum wxPosixPermissions
     #elif wxCHECK_MINGW32_VERSION(3, 5) // mingw-runtime version (not gcc)
         #define wxHAS_HUGE_STDIO_FILES
 
-        wxDECL_FOR_STRICT_MINGW32(int, fseeko64, (FILE*, long long, int));
+        wxDECL_FOR_STRICT_MINGW32(int, fseeko64, (FILE*, long long, int))
         #define wxFseek fseeko64
 
         #ifdef wxNEEDS_STRICT_ANSI_WORKAROUNDS

include/wx/math.h

@@ -72,7 +72,7 @@
         #define wxFinite(x) isfinite(x)
     #endif
 #elif defined(wxNEEDS_STRICT_ANSI_WORKAROUNDS)
-    wxDECL_FOR_STRICT_MINGW32(int, _finite, (double));
+    wxDECL_FOR_STRICT_MINGW32(int, _finite, (double))
 
     #define wxFinite(x) _finite(x)
 #elif ( defined(__GNUG__)||defined(__GNUWIN32__)||defined(__DJGPP__)|| \

include/wx/msw/gccpriv.h

@@ -159,7 +159,7 @@
         standard headers (e.g. <algorithm>) and we don't want to duplicate this
         hack everywhere this happens.
      */
-    wxDECL_FOR_STRICT_MINGW32(double, _hypot, (double, double));
+    wxDECL_FOR_STRICT_MINGW32(double, _hypot, (double, double))
 #else
     #define wxDECL_FOR_STRICT_MINGW32(rettype, func, params)
 #endif