add -lwinmm on windows

meson.build

@@ -55,7 +55,7 @@ elif os_windows
   cargs += [
     '-D__WINDOWS_MM__=1',
     ]
-
+  deps += cc.find_library ('winmm', static: true)
 elif os_darwin
   cargs += [
     '-D__MACOSX_CORE__=1',
@@ -68,6 +68,7 @@ elif os_darwin
       'CoreAudio',
       ])
 endif
+
 zrythm_rtmidi_inc = [
   include_directories ('.'),
   ]