Merge branch 'master' of git://repo.or.cz/git-gui

* 'master' of git://repo.or.cz/git-gui:
  git-gui: fix typo in lib/spellcheck.tcl
  git-gui: Shorten Aspell version strings to just Aspell version number
  git-gui: Gracefully display non-aspell version errors to users
  git-gui: Catch and display aspell startup failures to the user
  git-gui: Only bind the spellcheck popup suggestion hook once
  git-gui: Remove explicit references to 'aspell' in message strings
  git-gui: Ensure all spellchecker 'class' variables are initialized
  git-gui: Update German translation.
  git-gui: (i18n) Add newly added translation strings to template.

git-gui/lib/about.tcl

@@ -41,7 +41,8 @@ proc do_about {} {
 		append v "Tcl version $tcl_patchLevel"
 		append v ", Tk version $tk_patchLevel"
 	}
-	if {[info exists ui_comm_spell]} {
+	if {[info exists ui_comm_spell]
+		&& [$ui_comm_spell version] ne {}} {
 		append v "\n"
 		append v [$ui_comm_spell version]
 	}