typo

Author: memoryleak47

tests/run-pass/regions-mock-trans.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// FIXME: We handle uninitialzied storage here, which currently makes validation fail.
+// FIXME: We handle uninitialized storage here, which currently makes validation fail.
 // compile-flags: -Zmir-emit-validate=0
 
 //ignore-msvc