Recognize MSVC 10 in wx/platform.h.

Define __VISUALC10__ for it and avoid a warning when building wx using it.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62567 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/doxygen/mainpages/const_cpp.h

@@ -169,7 +169,7 @@ compiler used.
                     @c 1020 for @c 4.2 (the first supported version), @c 1100 for
                     @c 5.0, @c 1200 for @c 6.0 and so on. For convenience, the symbols
                     __VISUALCn__ are also defined for each major compiler version from
-                    5 to 9, i.e. you can use tests such @ifdef_ __VISUALC7__ to test
+                    5 to 10, i.e. you can use tests such @ifdef_ __VISUALC7__ to test
                     for compiler version being precisely 7.}
 @itemdef{__XLC__, AIX compiler}
 @itemdef{__WATCOMC__, Watcom C++. The value of this macro corresponds to

include/wx/platform.h

@@ -544,8 +544,10 @@
 #       define __VISUALC8__
 #   elif __VISUALC__ < 1600
 #       define __VISUALC9__
+#   elif __VISUALC__ < 1700
+#       define __VISUALC10__
 #   else
-#       pragma message("Please update this code for the next VC++ version")
+#       pragma message("Please update wx/platform.h to recognize this VC++ version")
 #   endif
 
 #    elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)