More MSVC fixes from Jonathan Kew
diff --git a/src/hb-common.h b/src/hb-common.h
index 1275b8c..4411ed5 100644
--- a/src/hb-common.h
+++ b/src/hb-common.h
@@ -28,13 +28,18 @@
#define HB_COMMON_H
#ifdef _MSC_VER
-#warning "Not using stdint.h. Integer types may have wrong size."
+#define __STR2__(x) #x
+#define __STR1__(x) __STR2__(x)
+#define __LOC__ __FILE__ "("__STR1__(__LINE__)") : Warning Msg: "
+#pragma message(__LOC__"Not using stdint.h; integer types may have wrong size")
typedef signed char int8_t;
typedef unsigned char uint8_t;
typedef signed short int16_t;
typedef unsigned short uint16_t;
typedef signed int int32_t;
typedef unsigned int uint32_t;
+typedef signed long long int64_t;
+typedef unsigned long long uint64_t;
#ifndef __cplusplus
#define inline __inline
#endif
