gamecore/input: fix two glitches in the key flushing system

gamecore/input.lua

@@ -95,18 +95,17 @@ end
 
 function InputManager:flushKeys()
   for i,v in ipairs(self.sources) do
-    self:flushSourceKeys(sourceid)
+    self:flushSourceKeys(i)
   end
 end
 
 function InputManager:flushSourceKeys(sourceid)
   self.keys = {}
-  for k,v in pairs(self.data[sourceid].keys) do
-    self.keys[k]  = {}
-    self.keys[k].isDown     = false
-    self.keys[k].isPressed  = false
-    self.keys[k].isReleased = false
-    self.keys[k].test = "ok"
+  for k,v in pairs(self.sources[sourceid].keys) do
+    v  = {}
+    v.isDown     = false
+    v.isPressed  = false
+    v.isReleased = false
   end
 end
 

gamecore/modules/scenes.lua

@@ -146,7 +146,7 @@ function Scene:getKeys(sourceid)
 end
 
 function Scene:flushKeys()
-  core.input:flushSourceKeys()
+  core.input:flushKeys()
   self.sources = core.input:getSources()
   self.inputLockedTimer = 1
   self.inputLocked      = true