build(windows): Ensure 'lib' prefix is on the dynamicaly loaded batched shading libraries for windows (#2025)

When the ISA-specific dll is loaded dynamically by the batched shading system,
it was expecting the lib prefix to be there. 

Signed-off-by: Alex Fuller <[email protected]>

Author: boberfly

src/liboslexec/CMakeLists.txt

@@ -508,7 +508,10 @@ foreach(batched_target ${BATCHED_TARGET_LIST})
     endforeach(target_src)
 
     add_library ( ${batched_target_lib} MODULE ${TARGET_LIB_SOURCES} )
-      
+    if (WIN32)
+        set_target_properties( ${batched_target_lib} PROPERTIES PREFIX "lib" )
+    endif()
+
     target_include_directories (${batched_target_lib}
         PUBLIC
             ${CMAKE_INSTALL_FULL_INCLUDEDIR}