glsl: make _token_list_is_empty_ignoring_space() static

To silence warning about missing prototype.

diff --git a/src/glsl/glcpp/glcpp-parse.y b/src/glsl/glcpp/glcpp-parse.y
index 65112c94d9d6589b8be4a6396115840700ed4760..aa5a0c4f209938c6f0bd1ea7b693ed9684457a3e 100644 (file)
--- a/src/glsl/glcpp/glcpp-parse.y
+++ b/src/glsl/glcpp/glcpp-parse.y
@@ -824,7 +824,7 @@ _token_list_trim_trailing_space (token_list_t *list)
        }
 }
 
-int
+static int
 _token_list_is_empty_ignoring_space (token_list_t *l)
 {
        token_node_t *n;