[PATCH] Kill signed chars

scripts/ is full of mismatches between char* params an signed char* arguments,
and viceversa.  gcc4 now complaints loud about this.  Patch below deletes all
those 'signed'.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index 98039bf..457bec2 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -255,8 +255,8 @@
 	"          USB$ => find all CONFIG_ symbols ending with USB\n"
 	"\n");
 
-static signed char buf[4096], *bufptr = buf;
-static signed char input_buf[4096];
+static char buf[4096], *bufptr = buf;
+static char input_buf[4096];
 static char filename[PATH_MAX+1] = ".config";
 static char *args[1024], **argptr = args;
 static int indent;