fix ExamDiff path detection

Author: SimonCropp

src/DiffEngine.Tests/diffTools.include.md

@@ -163,9 +163,9 @@ Non-MDI tools are preferred since it allows [DiffEngineTray](tray.md) to track a
    "tempFile.txt" "targetFile.txt" /nh /diffonly /dn1:tempFile.txt /dn2:targetFile.txt
    ```
   * Scanned paths:
-    * `%ProgramFiles%\ExamDiff Pro\ExamDiff.exe`
-    * `%ProgramW6432%\ExamDiff Pro\ExamDiff.exe`
-    * `%ProgramFiles(x86)%\ExamDiff Pro\ExamDiff.exe`
+    * `%ProgramFiles%\ExamDiff Pro*\ExamDiff.exe`
+    * `%ProgramW6432%\ExamDiff Pro*\ExamDiff.exe`
+    * `%ProgramFiles(x86)%\ExamDiff Pro*\ExamDiff.exe`
     * `%PATH%ExamDiff.exe`
 
 ### [Guiffy](https://www.guiffy.com/)

src/DiffEngine/Implementation/ExamDiff.cs

@@ -30,7 +30,7 @@ static string RightArguments(string temp, string target)
                 Windows: new(
                     "ExamDiff.exe",
                     new(LeftArguments, RightArguments),
-                    @"%ProgramFiles%\ExamDiff Pro\")),
+                    @"%ProgramFiles%\ExamDiff Pro*\")),
             Notes: """
                  * [Command line reference](https://www.prestosoft.com/ps.asp?page=htmlhelp/edp/command_line_options)
                  * `/nh`: do not add files or directories to comparison history