CMake: Fix typo... s/USE_PIC/WITH_PIC/

src/CMakeLists.txt

@@ -29,7 +29,7 @@ if(NOT glfw3_FOUND)
   set(GLFW_INSTALL OFF CACHE BOOL "" FORCE)
   set(BUILD_SHARED_LIBS OFF CACHE BOOL " " FORCE)
   set(GLFW_USE_WAYLAND ${USE_WAYLAND} CACHE BOOL "" FORCE)
-  if (USE_PIC OR SHARED)
+  if (WITH_PIC OR SHARED)
     set(CMAKE_POSITION_INDEPENDENT_CODE ON)
   endif()