Fix the build for mingw and CMake + VStudio
Changes to the build to add the new Win32 Crypto API's inadvertently broke
the build for mingw and Visual Studio builds when generated by CMake.
Signed-off-by: Simon Butcher <simon.butcher@arm.com>
diff --git a/library/entropy_poll.c b/library/entropy_poll.c
index 0ccc34f..1e465af 100644
--- a/library/entropy_poll.c
+++ b/library/entropy_poll.c
@@ -51,7 +51,7 @@
#include <windows.h>
#if _WIN32_WINNT >= 0x0501 /* _WIN32_WINNT_WINXP */
#include <bcrypt.h>
-#if _MSC_VER <= 1600
+#if defined(_MSC_VER) && _MSC_VER <= 1600
/* Visual Studio 2010 and earlier issue a warning when both <stdint.h> and <intsafe.h> are included, as they
* redefine a number of <TYPE>_MAX constants. These constants are guaranteed to be the same, though, so
* we suppress the warning when including intsafe.h.
@@ -60,7 +60,7 @@
#pragma warning( disable : 4005 )
#endif
#include <intsafe.h>
-#if _MSC_VER <= 1600
+#if defined(_MSC_VER) && _MSC_VER <= 1600
#pragma warning( pop )
#endif