libdshowcapture: Add FindPin, RGB24, & use CMake instead of pragma

This updates the libdshowcapture submodule to the latest commit.
This also changes win-dshow CMakeList to ensure compatibility.

Full commit list:
 - Add support of RGB24 format
 - CMake: Add Win32 libs instead of pragma directives.
 - Implement FindPin
 - Simplify error handling
 - Fix log level of DebugHR
 - Use default constructor instead of empty function
 - Use std::move instead of copy where appropriate
 - Mark some strings as const

plugins/win-dshow/CMakeLists.txt

@@ -130,8 +130,10 @@ add_library(win-dshow MODULE
 	${libdshowcapture_HEADERS})
 target_link_libraries(win-dshow
 	libobs
+	setupapi
 	strmiids
 	ksuser
+	winmm
 	wmcodecdspuuid
 	w32-pthreads
 	${FFMPEG_LIBRARIES})

plugins/win-dshow/virtualcam-module/CMakeLists.txt

@@ -72,6 +72,7 @@ add_library(obs-virtualcam-module MODULE
 	${obs-virtualcam-module_SOURCES}
 	${obs-virtualcam-module_HEADERS})
 target_link_libraries(obs-virtualcam-module
+	setupapi
 	winmm
 	strmiids
 	gdiplus