Have AutoTroll always restore the initial ``current directory''.

	* m4/autotroll.m4 (AT_WITH_QT): Always come back to the top-level
	directory upon failure.

ChangeLog

+2010-10-22  Roland Levillain  <roland@lrde.epita.fr>
+
+	Have AutoTroll always restore the initial ``current directory''.
+
+	* m4/autotroll.m4 (AT_WITH_QT): Always come back to the top-level
+	directory upon failure.
+
 2010-10-22  Roland Levillain  <roland@lrde.epita.fr>
 
 	Add a warning about Python 2.6 and greater regarding Swilena.

m4/autotroll.m4

@@ -257,6 +257,7 @@ int main()
 _ASEOF
   if $QMAKE -project; then :; else
     AX_INSTEAD_IF([$4], [Calling $QMAKE -project failed.])
+    cd ..
     break
   fi
 
@@ -265,6 +266,7 @@ _ASEOF
   test -f $pro_file || pro_file=`echo *.pro`
   if test -f "$pro_file"; then :; else
     AX_INSTEAD_IF([$4], [Can't find the .pro file generated by Qmake.])
+    cd ..
     break
   fi
 
@@ -284,6 +286,7 @@ m4_ifval([$3],
 
   if $QMAKE $at_qmake_args; then :; else
     AX_INSTEAD_IF([$4], [Calling $QMAKE $at_qmake_args failed.])
+    cd ..
     break
   fi