[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/confdata.c b/scripts/kconfig/confdata.c
index 2755c45..02f670c 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -27,10 +27,10 @@
 	NULL,
 };
 
-static char *conf_expand_value(const signed char *in)
+static char *conf_expand_value(const char *in)
 {
 	struct symbol *sym;
-	const signed char *src;
+	const char *src;
 	static char res_value[SYMBOL_MAXLENGTH];
 	char *dst, name[SYMBOL_MAXLENGTH];