Indigo release fails to build due to missing include

[tfoote]

From http://build.ros.org/job/Ibin_uT32__rqt_mrta__ubuntu_trusty_i386__binary/26/console

23:30:34 [ 54%] Building CXX object CMakeFiles/rqt_mrta.dir/src/rqt_mrta/define_application_widget.cpp.o
23:30:34 /usr/bin/i686-linux-gnu-g++   -DQT_CORE_LIB -DQT_GUI_LIB -DROSCONSOLE_BACKEND_LOG4CXX -DROS_PACKAGE_NAME=\"rqt_mrta\" -Drqt_mrta_EXPORTS -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -DNDEBUG -D_FORTIFY_SOURCE=2  -fPIC -isystem /usr/include/qt4 -isystem /usr/include/qt4/QtGui -isystem /usr/include/qt4/QtCore -I/tmp/binarydeb/ros-indigo-rqt-mrta-0.2.5/include -I/tmp/binarydeb/ros-indigo-rqt-mrta-0.2.5/obj-i686-linux-gnu/..    -std=c++11 -o CMakeFiles/rqt_mrta.dir/src/rqt_mrta/define_application_widget.cpp.o -c /tmp/binarydeb/ros-indigo-rqt-mrta-0.2.5/src/rqt_mrta/define_application_widget.cpp
23:30:34 /tmp/binarydeb/ros-indigo-rqt-mrta-0.2.5/src/rqt_mrta/define_application_widget.cpp:10:51: fatal error: rqt_mrta/ui_define_application_widget.h: No such file or directory
23:30:34  #include "rqt_mrta/ui_define_application_widget.h"
23:30:34                                                    ^
23:30:34 compilation terminated.
23:30:36 make[4]: *** [CMakeFiles/rqt_mrta.dir/src/rqt_mrta/define_application_widget.cpp.o] Error 1
23:30:36 make[4]: Leaving directory `/tmp/binarydeb/ros-indigo-rqt-mrta-0.2.5/obj-i686-linux-gnu'
23:30:36 make[3]: *** [CMakeFiles/rqt_mrta.dir/all] Error 2
23:30:36 make[3]: Leaving directory `/tmp/binarydeb/ros-indigo-rqt-mrta-0.2.5/obj-i686-linux-gnu'
23:30:36 make[2]: *** [all] Error 2
23:30:36 make[2]: Leaving directory `/tmp/binarydeb/ros-indigo-rqt-mrta-0.2.5/obj-i686-linux-gnu'
23:30:36 dh_auto_build: make -j1 returned exit code 2
23:30:36 make[1]: *** [override_dh_auto_build] Error 2
23:30:36 make[1]: Leaving directory `/tmp/binarydeb/ros-indigo-rqt-mrta-0.2.5'
23:30:36 make: *** [build] Error 2