8304030: Configure call fails on AIX when using --with-gtest option.

Reviewed-by: mbaesken, erikj

Author: ArnoZeller

make/autoconf/lib-tests.m4

@@ -61,7 +61,7 @@ AC_DEFUN_ONCE([LIB_TESTS_SETUP_GTEST],
 
         # Verify that the version is the required one.
         # This is a simplified version of TOOLCHAIN_CHECK_COMPILER_VERSION
-        gtest_version="`$GREP GOOGLETEST_VERSION $GTEST_FRAMEWORK_SRC/CMakeLists.txt | $SED -E -e 's/set\(GOOGLETEST_VERSION (.*)\)/\1/'`"
+        gtest_version="`$GREP GOOGLETEST_VERSION $GTEST_FRAMEWORK_SRC/CMakeLists.txt | $SED -e 's/set(GOOGLETEST_VERSION \(.*\))/\1/'`"
         comparable_actual_version=`$AWK -F. '{ printf("%05d%05d%05d%05d\n", [$]1, [$]2, [$]3, [$]4) }' <<< "$gtest_version"`
         comparable_minimum_version=`$AWK -F. '{ printf("%05d%05d%05d%05d\n", [$]1, [$]2, [$]3, [$]4) }' <<< "$GTEST_MINIMUM_VERSION"`
         if test $comparable_actual_version -lt $comparable_minimum_version ; then