diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index 54802747dc9..8b34b125770 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,8 @@
+2013-05-05  David Edelsohn  <dje.gcc@gmail.com>
+
+	* caf/libcaf.h (_gfortran_caf_critical): Add a prototype.
+	(_gfortran_caf_end_critical): Same.
+
 2013-05-04  David Edelsohn  <dje.gcc@gmail.com>
 
 	* runtime/environ.c: Include unistd.h.
diff --git a/libgfortran/caf/libcaf.h b/libgfortran/caf/libcaf.h
index 6066ba9b5c4..fda6dba985e 100644
--- a/libgfortran/caf/libcaf.h
+++ b/libgfortran/caf/libcaf.h
@@ -76,7 +76,10 @@ void _gfortran_caf_sync_images (int, int[], int *, char *, int);
 
 /* FIXME: The CRITICAL functions should be removed;
    the functionality is better represented using Coarray's lock feature.  */
+void _gfortran_caf_critical (void);
 void _gfortran_caf_critical (void)  { }
+
+void _gfortran_caf_end_critical (void);
 void _gfortran_caf_end_critical (void)  { }