patch 7.4.816

Problem:    Invalid memory access when doing ":fun X(".
Solution:   Check for missing ')'. (Dominique Pelle)

src/eval.c

@@ -22557,6 +22557,8 @@ ex_function(eap)
 	    break;
 	}
     }
+    if (*p != ')')
+	goto erret;
     ++p;	/* skip the ')' */
 
     /* find extra arguments "range", "dict" and "abort" */

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    816,
 /**/
     815,
 /**/