Extend PE matching regexp in PR 19457 test to match cygwin and mingw targets.

PR 19457
	* testsuite/ld-scripts/script.exp (extract_symbol_test): Add
	exceptions for Mingw and Cygwin.

ld/ChangeLog

@@ -1,3 +1,9 @@
+2016-04-14  Nick Clifton  <nickc@redhat.com>
+
+	PR 19457
+	* testsuite/ld-scripts/script.exp (extract_symbol_test): Add
+	exceptions for Mingw and Cygwin.
+
 2016-04-13  Andrew Burgess  <andrew.burgess@embecosm.com>
 
 	* testsuite/lib/ld-lib.exp (run_dump_test): Initialise

ld/testsuite/ld-scripts/script.exp

@@ -154,6 +154,15 @@ proc extract_symbol_test { testfile testname } {
 	    pass $testname
 	    return
 	}
+	# More PE variations...
+	[a-z]*-*-mingw* {
+	    pass $testname
+	    return
+	}
+	[a-z]*-*-cygwin$ {
+	    pass $testname
+	    return
+	}
     }
 
     set extract_syms [run_host_cmd $nm $copyfile]