CMake: Fix installation of libcjson_utils.pc

CMakeLists.txt

@@ -57,7 +57,7 @@ configure_file("${cJSON_SOURCE_DIR}/libcjson_utils.pc.in"
 
 install(TARGETS ${CJSON_UTILS_LIB} DESTINATION lib${LIB_SUFFIX})
 install(FILES cJSON_Utils.h DESTINATION include/cjson)
-install (FILES ${cJSON_BINARY_DIR}/libcjson.pc DESTINATION lib/pkgconfig)
+install (FILES ${cJSON_BINARY_DIR}/libcjson_utils.pc DESTINATION lib/pkgconfig)
 
 set_target_properties(${CJSON_UTILS_LIB}
     PROPERTIES