msvcp140: Import __ExceptionPtrToBool implementation.

dlls/msvcp140/msvcp140.spec

@@ -1707,8 +1707,8 @@
 @ cdecl -arch=win64 ?__ExceptionPtrRethrow@@YAXPEBX@Z(ptr) __ExceptionPtrRethrow
 @ stub -arch=win32 ?__ExceptionPtrSwap@@YAXPAX0@Z
 @ stub -arch=win64 ?__ExceptionPtrSwap@@YAXPEAX0@Z
-@ cdecl -arch=win32 ?__ExceptionPtrToBool@@YA_NPBX@Z(ptr) msvcr120.?__ExceptionPtrToBool@@YA_NPBX@Z
-@ cdecl -arch=win64 ?__ExceptionPtrToBool@@YA_NPEBX@Z(ptr) msvcr120.?__ExceptionPtrToBool@@YA_NPEBX@Z
+@ cdecl -arch=win32 ?__ExceptionPtrToBool@@YA_NPBX@Z(ptr) __ExceptionPtrToBool
+@ cdecl -arch=win64 ?__ExceptionPtrToBool@@YA_NPEBX@Z(ptr) __ExceptionPtrToBool
 @ cdecl -arch=arm ?always_noconv@codecvt_base@std@@QBA_NXZ(ptr) codecvt_base_always_noconv
 @ thiscall -arch=i386 ?always_noconv@codecvt_base@std@@QBE_NXZ(ptr) codecvt_base_always_noconv
 @ cdecl -arch=win64 ?always_noconv@codecvt_base@std@@QEBA_NXZ(ptr) codecvt_base_always_noconv

dlls/msvcp90/exception.c

@@ -1216,6 +1216,15 @@ void __cdecl __ExceptionPtrCurrentException(exception_ptr *ep)
     return;
 }
 #endif
+
+/*********************************************************************
+ * ?__ExceptionPtrToBool@@YA_NPBX@Z
+ * ?__ExceptionPtrToBool@@YA_NPEBX@Z
+ */
+bool __cdecl __ExceptionPtrToBool(exception_ptr *ep)
+{
+    return !!ep->rec;
+}
 #endif
 
 #if _MSVCP_VER >= 70 || defined(_MSVCIRT)