Add libgcc_s_seh-1.dll and libwinpthread-1.dll to runtime libraries.
Add libgcc_s_seh-1.dll and libwinpthread-1.dll to runtime libraries.

retuxx/tinyspline,msteinbeck/tinyspline,msteinbeck/tinyspline,retuxx/tinyspline,msteinbeck/tinyspline,msteinbeck/tinyspline,msteinbeck/tinyspline,retuxx/tinyspline,msteinbeck/tinyspline,msteinbeck/tinyspline,msteinbeck/tinyspline