* btest.c (f23): Avoid uninitialized variable warning.

From-SVN: r192102

libbacktrace/ChangeLog

+2012-10-04  Gerald Pfeifer  <gerald@pfeifer.com>
+
+	* btest.c (f23): Avoid uninitialized variable warning.
+	
 2012-10-04  Ian Lance Taylor  <iant@google.com>
 
 	* dwarf.c: If the system header files do not declare strnlen,

libbacktrace/btest.c

@@ -486,7 +486,7 @@ f23 (int f1line, int f2line)
 		case 2:
 		  expected = "test3";
 		  break;
-		case 3:
+		default:
 		  assert (0);
 		}