Fix lua order of operations.

Thanks to vyhd for the hg bisect tip.

Docs/Changelog_sm5.txt

@@ -8,6 +8,10 @@ ________________________________________________________________________________
 StepMania 5.0 $next | 2011????
 --------------------------------------------------------------------------------
 
+2011/09/29
+----------
+* [Fallback theme] Fix ImmediateHoldLetGo function. [Wolfman2000]
+
 2011/09/26
 ----------
 * [Default theme] Added Song Timing Display user preference. [AJ]

Themes/_fallback/Scripts/03 Gameplay.lua

@@ -190,7 +190,7 @@ function MaxHoldLife()
 end
 
 function ImmediateHoldLetGo()
-	return not GAMESTATE:GetCurrentGame():GetName() == "pump"
+	return not (GAMESTATE:GetCurrentGame():GetName() == "pump")
 end
 
 function RollBodyIncrementsCombo()