patch 7.4.887

Problem:    Using uninitialized memory for regexp with back reference.
            (Dominique Pelle)
Solution:   Initialize end_lnum.

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    887,
 /**/
     886,
 /**/