Added stubs for mapi32, msimg32, sti and url.

diff --git a/configure.in b/configure.in
index c1d2f85..cda784c 100644
--- a/configure.in
+++ b/configure.in
@@ -1269,8 +1269,10 @@
 dlls/imm32/Makefile
 dlls/kernel/Makefile
 dlls/lzexpand/Makefile
+dlls/mapi32/Makefile
 dlls/mpr/Makefile
 dlls/msacm/Makefile
+dlls/msimg32/Makefile
 dlls/msnet32/Makefile
 dlls/msvcrt/Makefile
 dlls/msvideo/Makefile
@@ -1294,8 +1296,10 @@
 dlls/shell32/Makefile
 dlls/shfolder/Makefile
 dlls/shlwapi/Makefile
+dlls/sti/Makefile
 dlls/tapi32/Makefile
 dlls/ttydrv/Makefile
+dlls/url/Makefile
 dlls/urlmon/Makefile
 dlls/user/Makefile
 dlls/version/Makefile