crt: Correct aliases in newdev.def

To actually produce the right kind of intended alias, use double
equals characters as in all other places.

This has been the same since it was initially added in
9ff1fefdadd4dec5826ff653cbac6f263bf47a72 though.

Signed-off-by: Martin Storsjö <martin@martin.st>

mingw-w64-crt/lib32/newdev.def

diff --git a/mingw-w64-crt/lib32/newdev.def b/mingw-w64-crt/lib32/newdev.def
index e10d5a9..d75d694 100644
--- a/mingw-w64-crt/lib32/newdev.def
+++ b/mingw-w64-crt/lib32/newdev.def
@@ -2,5 +2,5 @@
 EXPORTS
 UpdateDriverForPlugAndPlayDevicesA
 UpdateDriverForPlugAndPlayDevicesW
-UpdateDriverForPlugAndPlayDevicesA@20=UpdateDriverForPlugAndPlayDevicesA
-UpdateDriverForPlugAndPlayDevicesW@20=UpdateDriverForPlugAndPlayDevicesW
+UpdateDriverForPlugAndPlayDevicesA@20==UpdateDriverForPlugAndPlayDevicesA
+UpdateDriverForPlugAndPlayDevicesW@20==UpdateDriverForPlugAndPlayDevicesW