Fix double equal error in if statement

security/nss/tests/common/init.sh

@@ -12,7 +12,7 @@ SECURITY_ROOT=${SECURITY_ROOT-${MOZILLA_ROOT}/security/nss}
 TESTDIR=${TESTDIR-${MOZILLA_ROOT}/tests_results/security}
 . ../common/arch.sh
 OBJDIR=${OBJDIR_NAME}
-if [ ${OS_ARCH} == "WINNT" ]; then
+if [ ${OS_ARCH} = "WINNT" ]; then
 PATH=${DIST}/${OBJDIR}/bin\;${DIST}/${OBJDIR}/lib\;$PATH
 else
 PATH=${DIST}/${OBJDIR}/bin:${DIST}/${OBJDIR}/lib:$PATH