Update links

src/unix/linux_like/emscripten/mod.rs

@@ -1696,7 +1696,7 @@ f! {
 
     pub fn major(dev: ::dev_t) -> ::c_uint {
         // see
-        // https://github.com/kripken/emscripten/blob/
+        // https://github.com/emscripten-core/emscripten/blob/
         // master/system/include/libc/sys/sysmacros.h
         let mut major = 0;
         major |= (dev & 0x00000fff) >> 8;
@@ -1706,7 +1706,7 @@ f! {
 
     pub fn minor(dev: ::dev_t) -> ::c_uint {
         // see
-        // https://github.com/kripken/emscripten/blob/
+        // https://github.com/emscripten-core/emscripten/blob/
         // master/system/include/libc/sys/sysmacros.h
         let mut minor = 0;
         minor |= (dev & 0x000000ff) >> 0;