run_doxygen: Fix sed quoting.

2011-11-04  Benjamin Kosnik  <bkoz@redhat.com>

	* scripts/run_doxygen: Fix sed quoting.

From-SVN: r180978

libstdc++-v3/ChangeLog

+2011-11-04  Benjamin Kosnik  <bkoz@redhat.com>
+
+	* scripts/run_doxygen: Fix sed quoting.
+
 2011-11-03  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* doc/doxygen/doxygroups.cc: Add markup for namespace tr2.

libstdc++-v3/scripts/run_doxygen

@@ -261,7 +261,7 @@ for f in $problematic; do
     # this is also slow, but safe and easy to debug
     oldh=`sed -n '/fC#include </s/.*<\(.*\)>.*/\1/p' $f`
     newh=`echo $oldh | ./stdheader`
-    sed "s=${oldh}=${newh}=" $f > TEMP
+    sed 's=${oldh}=${newh}=' $f > TEMP
     mv TEMP $f
 done
 rm stdheader