(ASM_SPEC): Correct typos in Jun 18 change.

From-SVN: r12423

gcc/config/mips/iris6.h

@@ -87,7 +87,7 @@ Boston, MA 02111-1307, USA.  */
 %{gcoff:-g} %{gcoff0:-g0} %{gcoff1:-g1} %{gcoff2:-g2} %{gcoff3:-g3} \
 %{membedded-pic} \
 %{mabi=32:-32}{%mabi=o32:-32}%{mabi=n32:-n32}%{mabi=64:-64}%{mabi=n64:-64} \
-%{!mabi:-n32}"
+%{!mabi*:-n32}"
 
 #else
 /* not GAS */
@@ -106,7 +106,7 @@ Boston, MA 02111-1307, USA.  */
 %{noasmopt:-O0} %{!noasmopt:%{O:-O2} %{O1:-O2} %{O2:-O2} %{O3:-O3}} \
 -g0 -G 0 %{membedded-pic} \
 %{mabi=32:-32}%{mabi=o32:-32}%{mabi=n32:-n32}%{mabi=64:-64}%{mabi=n64:-64} \
-%{!mabi:-n32}"
+%{!mabi*:-n32}"
 
 #endif