Fixed a bug with installing WT incorrectly

toolset/setup/linux/frameworks/wt.sh

@@ -34,7 +34,7 @@ cd wt-3.3.3
 mkdir -p build
 cd build
 cmake .. -DWT_CPP_11_MODE=-std=c++0x -DCMAKE_BUILD_TYPE=Release \
-  -DCMAKE_INSTALL_PREFIX=${IROOT}/wt-install -DCONFIGDIR=${IROOT}/wt-install/etc \
+  -DCMAKE_INSTALL_PREFIX=${IROOT}/wt -DCONFIGDIR=${IROOT}/wt/etc \
   -DCMAKE_CXX_COMPILER=$(which g++-4.8) -DDESTDIR=${IROOT}/wt \
   -DWEBUSER=$(id -u -n) -DWEBGROUP=$(id -g -n)
 make