Yet more fixes for bug #12878 with MSVC build.

 nt/inc/stdint.h (INTPTR_MIN): Define for MSVC.

nt/ChangeLog

+2012-11-20  Eli Zaretskii  <eliz@gnu.org>
+
+	* inc/stdint.h (INTPTR_MIN): Define for MSVC.
+
 2012-11-19  Eli Zaretskii  <eliz@gnu.org>
 
 	* inc/stdint.h (PTRDIFF_MIN) [!__GNUC__]: Define for MSVC.

nt/inc/stdint.h

@@ -37,6 +37,7 @@ typedef unsigned __int64 uint64_t;
 #define INT64_MAX 9223372036854775807i64
 #define INT64_MIN (~INT64_MAX)
 #define INTPTR_MAX INT64_MAX
+#define INTPTR_MIN INT64_MIN
 #define UINTMAX_MAX UINT64_MAX
 #define UINTMAX_MIN UINT64_MIN
 #define INTMAX_MAX INT64_MAX
@@ -51,6 +52,7 @@ typedef unsigned int uint32_t;
 #define INT32_MAX 2147483647
 #define INT32_MIN (~INT32_MAX)
 #define INTPTR_MAX INT32_MAX
+#define INTPTR_MIN INT32_MIN
 #define UINTMAX_MAX UINT32_MAX
 #define UINTMAX_MIN UINT32_MIN
 #define INTMAX_MAX INT32_MAX