Incorrect selection of base name

protoc just changes last extension. We need this change to support files like a.b.proto in the path.
diff --git a/cmake/protobuf-config.cmake.in b/cmake/protobuf-config.cmake.in
index 6e45a16..3e730f2 100644
--- a/cmake/protobuf-config.cmake.in
+++ b/cmake/protobuf-config.cmake.in
@@ -97,7 +97,7 @@
   foreach(_proto ${protobuf_generate_PROTOS})
     get_filename_component(_abs_file ${_proto} ABSOLUTE)
     get_filename_component(_abs_dir ${_abs_file} DIRECTORY)
-    get_filename_component(_basename ${_proto} NAME_WE)
+    get_filename_component(_basename ${_proto} NAME_WLE)
     file(RELATIVE_PATH _rel_dir ${CMAKE_CURRENT_SOURCE_DIR} ${_abs_dir})
 
     set(_generated_srcs)