1 files changed, 2 insertions, 1 deletions
diff --git a/srcpos.h b/srcpos.h
index 93a2712..57dfa0f 100644
--- a/srcpos.h
+++ b/srcpos.h
@@ -21,6 +21,7 @@
 #define _SRCPOS_H_
 
 #include <stdio.h>
+#include <stdbool.h>
 
 struct srcfile_state {
 	FILE *f;
@@ -55,7 +56,7 @@ extern struct srcfile_state *current_srcfile; /* = NULL */
 FILE *srcfile_relative_open(const char *fname, char **fullnamep);
 
 void srcfile_push(const char *fname);
-int srcfile_pop(void);
+bool srcfile_pop(void);
 
 /**
  * Add a new directory to the search path for input files