Fix a typo, testpatch -> testpach (#1392)

* Fix a typo, testpatch -> testpach

* Fix a typo in changes.txt

[ci skip]

Author: muzimuzhi

base/changes.txt

@@ -9,7 +9,7 @@ not part of the distribution.
 2024-06-19  David Carlisle  <[email protected]>
 
 	* fontdef.dtx:
-	preload ts1lmr.fd in Unicode engines
+	preload ts1cmr.fd in Unicode engines
 
 2024-06-19 Joseph Wright  <[email protected]>
 	* ltkeys.dtx, clsguide.tex

base/lttab.dtx

@@ -31,7 +31,7 @@
 %%% From File: lttab.dtx
 %<*driver>
 % \fi
-\ProvidesFile{lttab.dtx}[2021/04/20 v1.1s LaTeX Kernel (Columns)]
+\ProvidesFile{lttab.dtx}[2024/06/23 v1.1s LaTeX Kernel (Columns)]
 % \iffalse
 \documentclass{ltxdoc}
 \GetFileInfo{lttab.dtx}
@@ -1499,7 +1499,7 @@
 %    \end{macrocode}
 % \end{macro}
 %
-% \begin{macro}{\@testpatch}
+% \begin{macro}{\@testpach}
 %    \begin{macrocode}
 \def\@testpach#1{\@chclass \ifnum \@lastchclass=\tw@ 4 \else
     \ifnum \@lastchclass=3 5 \else