Reverted the -mfpmath=sse option because of crashes inside Bullet on MinGW.

Source/CMake/Modules/Urho3D-CMake-magic.cmake

@@ -219,13 +219,13 @@ else ()
             set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32")
             if (ENABLE_SSE)
                 if (NOT WIN32)
-                    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse -mfpmath=sse")
-                    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse -mfpmath=sse")
+                    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse")
+                    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse")
                 else ()
                     message (STATUS "Using SSE2 instead of SSE because SSE fails on some Windows ports of GCC")
                     message (STATUS "Disable SSE with the CMake option -DENABLE_SSE=0 if this is not desired")
-                    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse2 -mfpmath=sse")
-                    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse2 -mfpmath=sse")
+                    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse2")
+                    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse2")
                 endif ()
             endif ()
         endif ()