run_acats (which): Extract last field from type -p, type output only if command succeeded.

	* ada/acats/run_acats (which): Extract last field from type -p,
	type output only if command succeeded.

From-SVN: r175843

gcc/testsuite/ChangeLog

+2011-07-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* ada/acats/run_acats (which): Extract last field from type -p,
+	type output only if command succeeded.
+
 2011-07-04  Jason Merrill  <jason@redhat.com>
 
 	* g++.dg/abi/mangle48.C: New.

gcc/testsuite/ada/acats/run_acats

@@ -14,8 +14,8 @@ fi
 # Fall back to whence which ksh88 and ksh93 provide, but bash does not.
 
 which () {
-    path=`type -p $* 2>/dev/null | awk '{print $NF}'` && { echo $path; return 0; }
-    path=`type $* 2>/dev/null | awk '{print $NF}'` && { echo $path; return 0; }
+    path=`type -p $* 2>/dev/null` && { echo $path | awk '{print $NF}'; return 0; }
+    path=`type $* 2>/dev/null` && { echo $path | awk '{print $NF}'; return 0; }
     path=`whence $* 2>/dev/null` && { echo $path; return 0; }
     return 1
 }