updated for version 7.4.377

Problem:    When 'equalalways' is set a split may report "no room" even though
            there is plenty of room.
Solution:   Compute the available room properly. (Yukihiro Nakadaira)

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    377,
 /**/
     376,
 /**/