typo: ahve -> have (#7648)

Author: Youssef1313

vsintegration/src/FSharp.PatternMatcher/EditDistance.cs

@@ -323,7 +323,7 @@ private static int GetEditDistanceWorker(ArraySlice<char> source, ArraySlice<cha
             // Given the edit distance rules we observe edit distance at any point (i,j) in the matrix will
             // always be greater than or equal to the value in (i-1, j-1).  i.e. the edit distance of
             // any two strings is going to be *at best* equal to the edit distance of those two strings
-            // without their final characters.  If their final characters are the same, they'll ahve the
+            // without their final characters.  If their final characters are the same, they'll have the
             // same edit distance.  If they are different, the edit distance will be greater.  Given 
             // that we know the final edit distance is in the lower right, we can discover something 
             // useful in the matrix.
@@ -674,4 +674,4 @@ public static void ReleaseArray(T[] array)
             }
         }
     }
-}
+}