Fixed key repeat #416 in nk_input_key

CHANGELOG.md

@@ -11,6 +11,7 @@
 
 Changes:
 --------
+- 2017/04/20 (1.37.1) - Fixed key repeat found inside glfw demo backends
 - 2017/04/20 (1.37.0) - Extended properties with selection and clipbard support
 - 2017/04/20 (1.36.2) - Fixed #405 overlapping rows with zero padding and spacing
 - 2017/04/09 (1.36.1) - Fixed #403 with another widget float error

nuklear.h

@@ -12176,8 +12176,9 @@ nk_input_key(struct nk_context *ctx, enum nk_keys key, int down)
     NK_ASSERT(ctx);
     if (!ctx) return;
     in = &ctx->input;
+    if (in->keyboard.keys[key].down != down)
+        in->keyboard.keys[key].clicked++;
     in->keyboard.keys[key].down = down;
-    in->keyboard.keys[key].clicked++;
 }
 
 NK_API void