830:gs-fade.c:549:27: warning: implicit conversion turns floating-point number into integer: 'float' to 'unsigned short' [-Wfloat-conversion]
833:gs-fade.c:550:27: warning: implicit conversion turns floating-point number into integer: 'float' to 'unsigned short' [-Wfloat-conversion]
836:gs-fade.c:551:27: warning: implicit conversion turns floating-point number into integer: 'float' to 'unsigned short' [-Wfloat-conversion]
842:gs-fade.c:752:46: warning: implicit conversion turns floating-point number into integer: 'double' to 'guint' (aka 'unsigned int') [-Wfloat-conversion]
888:mate-screensaver-preferences.c:1074:36: warning: implicit conversion turns floating-point number into integer: 'double' to 'long' [-Wfloat-conversion]
900:mate-screensaver-preferences.c:1695:16: warning: implicit conversion turns floating-point number into integer: 'gdouble' (aka 'double') to 'int' [-Wfloat-conversion]
I can confirm that those warnings are fixed.