[committed] Fix up comment in test

[Marek Polacek]

-Wcomment warns on this.

2014-01-30  Marek Polacek  <pola...@redhat.com>

testsuite/
        * gcc.dg/Wconversion-real-integer.c: Properly end comment.

--- gcc/testsuite/gcc.dg/Wconversion-real-integer.c.mp3 2014-01-30 
18:09:16.394658789 +0100
+++ gcc/testsuite/gcc.dg/Wconversion-real-integer.c     2014-01-30 
18:09:24.255690080 +0100
@@ -1,7 +1,7 @@
 /* Test for diagnostics for Wconversion between floating-point and
    integers.  */
 
-/* { dg-do compile }
+/* { dg-do compile } */
 /* { dg-skip-if "doubles are floats,ints are 16bits" { "avr-*-*" } { "*" } { 
"" } } */
 /* { dg-options "-std=c99 -Wconversion" } */
 /* { dg-require-effective-target int32plus } */

        Marek