cmake: Don't use unqualified target_link_libraries

You can't mix unqualified and qualified link libraries (PUBLIC / PRIVATE).
Use the modern form.

Source/CMakeLists.txt

@@ -21,7 +21,7 @@ add_definitions(-D__STDC_CONSTANT_MACROS)
 
 macro(add_dolphin_library lib srcs libs)
 	add_library(${lib} STATIC ${srcs})
-	target_link_libraries(${lib} ${libs})
+	target_link_libraries(${lib} PUBLIC ${libs})
 endmacro()
 
 add_subdirectory(Core)

Source/Core/VideoBackends/Vulkan/CMakeLists.txt

@@ -37,5 +37,5 @@ include_directories(SYSTEM ${CMAKE_SOURCE_DIR}/Externals/glslang/SPIRV)
 
 # Link against glslang, the other necessary libraries are referenced by the executable.
 add_dolphin_library(videovulkan "${SRCS}" "${LIBS}")
-target_link_libraries(videovulkan glslang)
+target_link_libraries(videovulkan PRIVATE glslang)
 

Source/Core/VideoCommon/CMakeLists.txt

@@ -62,5 +62,5 @@ endif()
 add_dolphin_library(videocommon "${SRCS}" "${LIBS}")
 
 if(LIBAV_FOUND)
-	target_link_libraries(videocommon ${LIBS} ${LIBAV_LIBRARIES})
+	target_link_libraries(videocommon PRIVATE ${LIBS} ${LIBAV_LIBRARIES})
 endif()