make expand_one_symbol() inline

better code generation that way...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Chris Li <sparse@chrisli.org>

pre-process.c

diff --git a/pre-process.c b/pre-process.c
index 73f4d61..728feeb 100644
--- a/pre-process.c
+++ b/pre-process.c
@@ -206,7 +206,7 @@
 	replace_with_integer(token, include_level - 1);
 }
 
-static int expand_one_symbol(struct token **list)
+static inline int expand_one_symbol(struct token **list)
 {
 	struct token *token = *list;
 	struct symbol *sym;