patch 8.2.5080: when indenting gets out of hand it is hard to stop

Problem:    When indenting gets out of hand it is hard to stop.
Solution:   When line gets too long set got_int.

src/indent.c

@@ -1781,6 +1781,8 @@ ex_retab(exarg_T *eap)
 	    if (vcol >= MAXCOL)
 	    {
 		emsg(_(e_resulting_text_too_long));
+		// set got_int to break out of any loop
+		got_int = TRUE;
 		break;
 	    }
 	    if (has_mbyte)

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    5080,
 /**/
     5079,
 /**/