libm update broke graphics/fotowall

c++ -c -O2 -pipe -O2 -pipe -Wall -W -pthread -DNO_WORDCLOUD_APPLIANCE -DHAS_VIDEOCAPTURE -DQT_NO_DEBUG -DQT_SVG_LIB -DQT_XML_LIB -DQT_OPENGL_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/local/lib/qt4/mkspecs/openbsd-g++4 -I../../Fotowall-0.9 -I/usr/local/include/X11/qt4/QtCore -I/usr/local/include/X11/qt4/QtNetwork -I/usr/local/include/X11/qt4/QtGui -I/usr/local/include/X11/qt4/QtOpenGL -I/usr/local/include/X11/qt4/QtXml -I/usr/local/include/X11/qt4/QtSvg -I/usr/local/include/X11/qt4 -I../../Fotowall-0.9 -I../3rdparty/posterazor -I/usr/X11R6/include -I.build -I.build -I/usr/local/include -I. -o .build/CanvasAppliance.o ../App/CanvasAppliance. cpp
In file included from ../App/CanvasAppliance.cpp:18:
In file included from ../../Fotowall-0.9/Canvas/CanvasViewContent.h:18:
In file included from ../../Fotowall-0.9/Canvas/AbstractContent.h:19:
../../Fotowall-0.9/3rdparty/enricomath.h:291:20: error: static declaration of 'sincos' follows non-static declaration
static inline void sincos(double th, double *s, double *c)
^
/usr/include/math.h:276:6: note: previous declaration is here
void sincos(double, double *, double *);
^
1 error generated.