Wine: do not use intelligent Git prompt

Kirill said it's too slow with Wine, and I agree.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

etc/profile

@@ -147,9 +147,16 @@ esac
 
 
 . /git/contrib/completion/git-completion.bash
-PS1='\[\033]0;$MSYSTEM:\w\007
+if test -z "$WINELOADERNOEXEC"
+then
+	PS1='\[\033]0;$MSYSTEM:\w\007
 \033[32m\]\u@\h \[\033[33m\w$(__git_ps1)\033[0m\]
 $ '
+else
+	PS1='\[\033]0;$MSYSTEM:\w\007
+\033[32m\]\u@\h \[\033[33m\w\033[0m\]
+$ '
+fi
 
 # set default options for 'less'
 export LESS=-FRSX