One more fix (remove required argument from Qt search)

Author: aselle

src/demos/segraph/CMakeLists.txt

@@ -31,7 +31,7 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 
-find_package(Qt4 COMPONENTS QtCore QtGui REQUIRED) # find and setup Qt4 for this project
+find_package(Qt4 COMPONENTS QtCore QtGui) # find and setup Qt4 for this project
 if(QT4_FOUND)
     set(segraph_MOC_HDRS Graph.h GraphWindow.h Functions.h)
     set(segraph_CPPS main.cpp Graph.cpp GraphWindow.cpp Functions.cpp)