include/compiler.h: remove uint typedef for __MACH__

uint is typedefed twice if __MACH__ is defined. This generates an error
when calling MAKEALL for netstar bord on OS X.

This patch removes the typedef for __MACH__ case in favor of general
definiton some lines below.

Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>

include/compiler.h

@@ -47,7 +47,6 @@
 #elif defined(__MACH__)
 # include <machine/endian.h>
 typedef unsigned long ulong;
-typedef unsigned int  uint;
 #endif
 
 typedef uint8_t __u8;