Fix MINGW compilation errors


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19190 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/System/Win32/DynamicLibrary.cpp b/lib/System/Win32/DynamicLibrary.cpp
index ef435f4..af28f75 100644
--- a/lib/System/Win32/DynamicLibrary.cpp
+++ b/lib/System/Win32/DynamicLibrary.cpp
@@ -111,7 +111,7 @@
        E = OpenedHandles.end(); I != E; ++I) {
     FARPROC ptr = GetProcAddress((HMODULE)*I, symbolName);
     if (ptr)
-      return ptr;
+      return (void *) ptr;
   }
 
   return 0;
@@ -119,7 +119,7 @@
 
 void *DynamicLibrary::GetAddressOfSymbol(const char *symbolName) {
   assert(handle != 0 && "Invalid DynamicLibrary handle");
-  return GetProcAddress((HMODULE)handle, symbolName);
+  return (void *) GetProcAddress((HMODULE)handle, symbolName);
 }
 
 }