Fixed key names in the example and test programs.
diff --git a/tests/fsfocus.c b/tests/fsfocus.c
index 21631f2..2cce078 100644
--- a/tests/fsfocus.c
+++ b/tests/fsfocus.c
@@ -49,7 +49,7 @@
 
     switch (key)
     {
-        case GLFW_KEY_ESC:
+        case GLFW_KEY_ESCAPE:
         {
             printf("%0.3f: User pressed Escape\n", glfwGetTime());
             running = GL_FALSE;