qt4-tools-nativesdk: avoid rebuilding qmake

qt4-tools-nativesdk patch to avoids building qmake in configure if it already exists 
(as it will, since we symlink it in from the native sysroot in do_configure)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Upstream-Status: Inappropriate [configuration]

--- qt-everywhere-opensource-src-4.6.3.orig/configure	2011-01-10 12:01:56.260607001 +0000
+++ qt-everywhere-opensource-src-4.6.3/configure	2011-01-10 12:02:20.584607015 +0000
@@ -4286,7 +4286,7 @@
 }
 
 # build qmake
-if true; then ###[ '!' -f "$outpath/bin/qmake" ];
+if [ '!' -f "$outpath/bin/qmake" ]; then
     echo "Creating qmake. Please wait..."
 
     OLD_QCONFIG_H=