Prefix debug symbols with debug_ to reduce the namesapce pollution
diff --git a/src/debug.c b/src/debug.c
index 8a558c2..c1bebca 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -57,7 +57,7 @@
  * Parse the category mask.
  * category1:category2:category3
  */
-void parse_category_mask(const char *_mask)
+void debug_parse_category_mask(const char *_mask)
 {
 	unsigned int new_mask = 0;
 	int i = 0;