Fix typo in SideEffectAnalysis.h

<code>paramter</code> -> <code>parameter</code>

Author: linouk23

include/swift/SILAnalysis/SideEffectAnalysis.h

@@ -182,7 +182,7 @@ class SideEffectAnalysis : public BottomUpIPAnalysis {
     bool ReadsRC = false;
 
     /// Returns the effecs for an address or reference. This might be a
-    /// paramter, the LocalEffects or, if the value can not be associated to one
+    /// parameter, the LocalEffects or, if the value can not be associated to one
     /// of them, the GlobalEffects.
     Effects *getEffectsOn(SILValue Addr);