Merge pull request #34 from zsa/fix/mouse_movement

Re-fix Mousekey Movements

tmk_core/common/mousekey.c

@@ -114,7 +114,9 @@ void mousekey_task(void) {
   /* diagonal move [1/sqrt(2)] */
   if (mouse_report.x && mouse_report.y) {
     mouse_report.x = times_inv_sqrt2(mouse_report.x);
+    mouse_report.x = mouse_report.x == 0 ? 1 : mouse_report.x;
     mouse_report.y = times_inv_sqrt2(mouse_report.y);
+    mouse_report.y = mouse_report.y == 0 ? 1 : mouse_report.y;
   }
   if (mouse_report.v > 0) mouse_report.v = wheel_unit();
   if (mouse_report.v < 0) mouse_report.v = wheel_unit() * -1;
@@ -232,7 +234,9 @@ void adjust_speed(void) {
   // adjust for diagonals
   if (mouse_report.x && mouse_report.y) {
   mouse_report.x = times_inv_sqrt2(mouse_report.x);
+  mouse_report.x = mouse_report.x == 0 ? 1 : mouse_report.x;
   mouse_report.y = times_inv_sqrt2(mouse_report.y);
+  mouse_report.y = mouse_report.y == 0 ? 1 : mouse_report.y;
   }
   if (mouse_report.h && mouse_report.v) {
   mouse_report.h = times_inv_sqrt2(mouse_report.h);