Fix sparse warnings.
Mainly making a lot of local functions and variables be marked "static",
but there was a "zero as NULL" warning in there too.
diff --git a/apply.c b/apply.c
index c81b0a2..701c01a 100644
--- a/apply.c
+++ b/apply.c
@@ -724,8 +724,8 @@
return offset + hdrsize + patchsize;
}
-const char pluses[] = "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++";
-const char minuses[]= "----------------------------------------------------------------------";
+static const char pluses[] = "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++";
+static const char minuses[]= "----------------------------------------------------------------------";
static void show_stats(struct patch *patch)
{
