elf.h: Use stdint.h to provide standard typedefs for WIN32

The original code provided an incomplete set of typedefs for WIN32
compiles and replicated the standard typedefs that are already
provided by stdint.h

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>

include/elf.h

@@ -39,13 +39,8 @@
     defined(__sun__)	 || \
     defined(__APPLE__)
 #include <inttypes.h>
-#elif defined(__linux__) && defined(USE_HOSTCC)
+#elif (defined(__linux__) && defined(USE_HOSTCC)) || defined(__WIN32__)
 #include <stdint.h>
-#elif defined(__WIN32__)
-#include <unistd.h>
-typedef	 unsigned char	 uint8_t;
-typedef	 unsigned short  uint16_t;
-typedef	 unsigned int	 uint32_t;
 #endif
 
 /*