Wayland: Ensure paths are passed on in quoted form

src/CMakeLists.txt

@@ -53,13 +53,16 @@ if (_GLFW_WAYLAND)
           add_custom_command(OUTPUT "${output_file}.h"
               COMMAND "${WAYLAND_SCANNER_EXECUTABLE}" client-header
               < "${protocol_file}" > "${output_file}.h"
-              DEPENDS "${protocol_file}")
+              DEPENDS "${protocol_file}"
+              VERBATIM)
           list(APPEND GLFW_WAYLAND_PROTOCOL_SOURCES "${output_file}.h)"
 
           add_custom_command(OUTPUT "${output_file}.c"
               COMMAND "${WAYLAND_SCANNER_EXECUTABLE}" private-code
               < "${protocol_file}" > "${output_file}.c"
-              DEPENDS "${protocol_file}")
+              DEPENDS "${protocol_file}"
+              VERBATIM)
+
           list(APPEND GLFW_WAYLAND_PROTOCOL_SOURCES "${output_file}.c")
     endmacro()