fix typo

durka · durka · commit 1319b293c67f · 2016-07-27T13:58:51.000-04:00
diff --git a/src/doc/book/ffi.md b/src/doc/book/ffi.md
@@ -635,7 +635,7 @@ void register(void (*f)(void (*)(int), int)) {
 }
 ```
 
-No `tranmsute` required!
+No `transmute` required!
 
 # Calling Rust code from C
 

Original file line number	Diff line number	Diff line change
`@@ -635,7 +635,7 @@ void register(void (f)(void ()(int), int)) {`
`635`	`635`	`}`
`636`	`636`	```
`637`	`637`
`638`		-No `tranmsute` required!
	`638`	+No `transmute` required!
`639`	`639`
`640`	`640`	`# Calling Rust code from C`
`641`	`641`