patch 8.1.2078: build error with +textprop but without +terminal

Problem:    Build error with +textprop but without +terminal. (Tony Mechelynck)
Solution:   Add #ifdef.

Author: brammool

src/popupwin.c

@@ -1638,11 +1638,13 @@ popup_create(typval_T *argvars, typval_T *rettv, create_type_T type)
 		semsg(_(e_nobufnr), argvars[0].vval.v_number);
 		return NULL;
 	    }
+#ifdef FEAT_TERMINAL
 	    if (buf->b_term != NULL)
 	    {
 		emsg(_("E278: Cannot put a terminal buffer in a popup window"));
 		return NULL;
 	    }
+#endif
 	}
 	else if (!(argvars[0].v_type == VAR_STRING
 			&& argvars[0].vval.v_string != NULL)

src/version.c

@@ -757,6 +757,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2078,
 /**/
     2077,
 /**/