Updated Visual Studio 2005 project file (thanks to Harukalover)

Originally committed to SVN as r1938.

Updated Visual Studio 2005 project file (thanks to Harukalover)
d181c3a7 · Rodrigo Braz Monteiro · 9c8c8831 · d181c3a7
--- a/build/aegisub_vs2005/aegisub_vs2005.vcproj
+++ b/build/aegisub_vs2005/aegisub_vs2005.vcproj
@@ -1587,6 +1587,14 @@
 				RelativePath="..\..\aegisub\video_provider_avs.cpp"
 				>
 			</File>
+			<File
+				RelativePath="..\..\aegisub\video_provider_cache.cpp"
+				>
+			</File>
+			<File
+				RelativePath="..\..\aegisub\video_provider_cache.h"
+				>
+			</File>
 			<File
 				RelativePath="..\..\aegisub\video_provider_dshow.cpp"
 				>