Also search bin for kdiff

Author: SimonCropp

src/DiffEngine.Tests/diffTools.include.md

@@ -188,6 +188,9 @@ Non-MDI tools are preferred since it allows [DiffEngineTray](tray.md) to track a
   * Example target on left arguments: `"targetFile.txt" "tempFile.txt" --cs CreateBakFiles=0 `
   * Example target on right arguments: `"tempFile.txt" "targetFile.txt" --cs CreateBakFiles=0 `
   * Scanned paths:
+    * `%ProgramFiles%\KDiff3\bin\kdiff3.exe`
+    * `%ProgramW6432%\KDiff3\bin\kdiff3.exe`
+    * `%ProgramFiles(x86)%\KDiff3\bin\kdiff3.exe`
     * `%ProgramFiles%\KDiff3\kdiff3.exe`
     * `%ProgramW6432%\KDiff3\kdiff3.exe`
     * `%ProgramFiles(x86)%\KDiff3\kdiff3.exe`

src/DiffEngine/Implementation/KDiff3.cs

@@ -19,7 +19,7 @@ public static Definition KDiff3()
                 Windows: new(
                     "kdiff3.exe",
                     launchArguments,
-                    @"%ProgramFiles%\KDiff3\"),
+                    @"%ProgramFiles%\KDiff3\bin\", @"%ProgramFiles%\KDiff3\"),
                 Osx: new(
                     "kdiff3",
                     launchArguments,