isl_input_omega.c: make variable_{free,new} static

diff --git a/isl_input_omega.c b/isl_input_omega.c
index cd02cc5..4fe49bd 100644 (file)
--- a/isl_input_omega.c
+++ b/isl_input_omega.c
@@ -30,7 +30,7 @@ static struct vars *vars_new(struct isl_ctx *ctx)
        return v;
 }
 
-void variable_free(struct variable *var)
+static void variable_free(struct variable *var)
 {
        while (var) {
                struct variable *next = var->next;
@@ -48,7 +48,7 @@ static void vars_free(struct vars *v)
        free(v);
 }
 
-struct variable *variable_new(struct vars *v, const char *name, int len,
+static struct variable *variable_new(struct vars *v, const char *name, int len,
                                int pos)
 {
        struct variable *var;