Fixed error in bindings.

Author: TheArchitect4855

src/bindings.rs

@@ -2,7 +2,7 @@ extern crate cty;
 
 #[repr(C)]
 pub struct vx_vertex {
-pub v: [f32;3]
+pub v: [cty::c_float;3]
 }
 
 #[repr(C)]
@@ -27,6 +27,7 @@ pub struct vx_mesh {
 pub indices: *mut cty::c_uint,
 pub normalindices: *mut cty::c_uint,
 pub nindices: cty::size_t,
+pub nvertices: cty::size_t,
 pub nnormals: cty::size_t
 }