wgl: GetPixelFormat fix for offscreen formats.

Makefile.in

diff --git a/Makefile.in b/Makefile.in
index 7ae3049..8174a91 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -333,6 +333,7 @@
 	dlls/olepro32/Makefile \
 	dlls/olesvr32/Makefile \
 	dlls/opengl32/Makefile \
+	dlls/opengl32/tests/Makefile \
 	dlls/pdh/Makefile \
 	dlls/pdh/tests/Makefile \
 	dlls/powrprof/Makefile \
@@ -695,6 +696,7 @@
 dlls/olepro32/Makefile: dlls/olepro32/Makefile.in dlls/Makedll.rules
 dlls/olesvr32/Makefile: dlls/olesvr32/Makefile.in dlls/Makedll.rules
 dlls/opengl32/Makefile: dlls/opengl32/Makefile.in dlls/Makedll.rules
+dlls/opengl32/tests/Makefile: dlls/opengl32/tests/Makefile.in dlls/Maketest.rules
 dlls/pdh/Makefile: dlls/pdh/Makefile.in dlls/Makedll.rules
 dlls/pdh/tests/Makefile: dlls/pdh/tests/Makefile.in dlls/Maketest.rules
 dlls/powrprof/Makefile: dlls/powrprof/Makefile.in dlls/Makedll.rules