Correct spelling of pseudo in Compiler.cs (PowerShell#17285)

psuedo -> pseudo
psuedo-code -> pseudo-code

Author: Ikko Ashimine

src/System.Management.Automation/engine/parser/Compiler.cs

@@ -1064,7 +1064,7 @@ internal static Expression CallSetVariable(Expression variablePath, Expression r
 
         internal Expression GetAutomaticVariable(VariableExpressionAst varAst)
         {
-            // Generate, in psuedo code:
+            // Generate, in pseudo code:
             //
             //     return (localsTuple.IsValueSet(tupleIndex)
             //          ? localsTuple.ItemXXX
@@ -1074,7 +1074,7 @@ internal Expression GetAutomaticVariable(VariableExpressionAst varAst)
             //
             //     * $PSCmdlet - always set if the script uses cmdletbinding.
             //     * $_ - always set in process and end block, otherwise need dynamic checks.
-            //     * $this - can never know if it's set, always need above psuedo code.
+            //     * $this - can never know if it's set, always need above pseudo code.
             //     * $input - also can never know - it's always set from a command process, but not necessarily set from ScriptBlock.Invoke.
             //
             // These optimizations are not yet performed.
@@ -3907,7 +3907,7 @@ private Expression GetRedirectedExpression(CommandExpressionAst commandExpr, boo
             //       funcContext.OutputPipe = oldPipe;
             //   }
             //
-            // In the above psuedo-code, any of {outputFileRedirection, nonOutputFileRedirection, mergingRedirection} may
+            // In the above pseudo-code, any of {outputFileRedirection, nonOutputFileRedirection, mergingRedirection} may
             // not exist, but the order is preserved, so that file redirections go before merging redirections (so that
             // funcContext.OutputPipe has the correct value when setting up merging.)
             //
@@ -5178,7 +5178,7 @@ public object VisitCatchClause(CatchClauseAst catchClauseAst)
         // If the automatic var has no value in the current frame, then we set the variable's value to $null
         // after leaving the stmt.
         //
-        // The psuedo-code:
+        // The pseudo-code:
         //
         //    try {
         //        oldValue = (localSet.Get(automaticVar)) ? locals.ItemNNN : null;