patch 8.2.3562: cannot add color names

Problem:    Cannot add color names.
Solution:   Add the v:colornames dictionary. (Drew Vogel, closes #8761)
diff --git a/src/job.c b/src/job.c
index afa9972..fcb482c 100644
--- a/src/job.c
+++ b/src/job.c
@@ -559,7 +559,7 @@
 		    {
 			if (called_emsg_before == called_emsg)
 			    // may not get the error if the GUI didn't start
-			    semsg(_(e_alloc_color), color_name);
+			    semsg(_(e_cannot_allocate_color_str), color_name);
 			return FAIL;
 		    }