Add patch to fix the build on FreeBSD 10.1.

LyX 2.2.0 had some code changes and is using std::bind() when C++11 support is
available. The libc++ version on 10.0 and 10.1 does not work as expected, so
force boost::bind() on those systems to avoid the following error:

frontends/qt4/liblyxqt4.a(GuiWorkArea.o): In function `_ZN5boost6detail8function26void_function_obj_invoker0INSt316bindIMN3lyx8frontend11GuiWorkAreaEFvvEJPS7_EEEvE6invokeERNS1_15function_bufferE':
GuiWorkArea.cpp:(.text._ZN5boost6detail8function26void_function_obj_invoker0INSt316bindIMN3lyx8frontend11GuiWorkAreaEFvvEJPS7_EEEvE6invokeERNS1_15function_bufferE[_ZN5boost6detail8function26void_function_obj_invoker0INSt316bindIMN3lyx8frontend11GuiWorkAreaEFvvEJPS7_EEEvE6invokeERNS1_15function_bufferE]+0xa): undefined reference to `_ZNSt318invokeIRMN3lyx8frontend11GuiWorkAreaEFvvERPS3_JEvEEDTcldsdeclsr3std31E7forwardIT0_Efp0_Efp_spclsr3std31E7forwardIT1_Efp1_EEEOT_OS9_DpOSA_'
/usr/bin/ld: lyx: hidden symbol `_ZNSt318invokeIRMN3lyx8frontend11GuiWorkAreaEFvvERPS3_JEvEEDTcldsdeclsr3std31E7forwardIT0_Efp0_Efp_spclsr3std31E7forwardIT1_Efp1_EEEOT_OS9_DpOSA_' isn't defined
/usr/bin/ld: final link failed: Nonrepresentable section on output