[Fix] contrib.glfw3 overrides built-in GLFW (in cache) (#21586)

Author: ypujante

tools/ports/contrib/glfw3.py

@@ -45,9 +45,9 @@ def get(ports, settings, shared):
   def create(final):
     root_path = os.path.join(ports.get_dir(), 'contrib.glfw3')
     source_path = os.path.join(root_path, 'src', 'cpp')
-    source_include_paths = [os.path.join(root_path, 'external', 'GLFW'), os.path.join(root_path, 'include', 'GLFW')]
+    source_include_paths = [os.path.join(root_path, 'external'), os.path.join(root_path, 'include')]
     for source_include_path in source_include_paths:
-      ports.install_headers(source_include_path, target='GLFW')
+      ports.install_headers(os.path.join(source_include_path, 'GLFW'), target=os.path.join('contrib.glfw3', 'GLFW'))
 
     flags = []