embryo_cc: Buffer overflow check.

Summary:
A string is copied to the array '&symbolname[0]' of size 32,
without checking it's length at first at embryo_cc_sc1.c:2101.
So, used assert  to avoid possible overflow.

Signed-off-by: Umesh Tanwar <umesh.tanwar@samsung.com>

Reviewers: Hermet, cedric, raster

Reviewed By: raster

Subscribers: singh.amitesh, jpeg

Differential Revision: https://phab.enlightenment.org/D3602

src/bin/embryo/embryo_cc_sc1.c

@@ -2098,6 +2098,7 @@ funcstub(int native)
 	     error(10);		/* illegal function or declaration */
 	     return;
 	  }			/* if */
+        assert(("strcpy: source str size is more than available at destination", sizeof(str) <= sNAMEMAX));
 	strcpy(symbolname, str);
      }				/* if */
    needtoken('(');		/* only functions may be native/forward */