1 files changed, 3 insertions, 1 deletions
diff --git a/file_loader.c b/file_loader.c
index a7ce56d..749e985 100644
--- a/file_loader.c
+++ b/file_loader.c
@@ -15,11 +15,13 @@
 #include "file_loader.h"
 #include "utils.h"
 
+__attribute__((nonnull))
+static void populate_lines(file_t *f);
+
 //
 // In the file object, populate the `lines` array with pointers to the
 // beginning of each line.
 //
-__attribute__((nonnull))
 static void populate_lines(file_t *f)
 {
     // Calculate line numbers: