[PATCH] uml: tidy longjmp macro

The UML_SETJMP macro was requiring its users to pass in a argument which it
could supply itself, since it wasn't used outside that invocation of the
macro.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/um/include/longjmp.h

@@ -8,8 +8,8 @@
 	longjmp(*buf, val);	\
 } while(0)
 
-#define UML_SETJMP(buf, enable) ({ \
-	int n; \
+#define UML_SETJMP(buf) ({ \
+	int n, enable;	   \
 	enable = get_signals(); \
 	n = setjmp(*buf); \
 	if(n != 0) \