[OpenMP][libomp][NFC] Remove non-ASCII apostrophe in comment

GitOrigin-RevId: c46becf500df2a7fb4b4fce16178a036c344315a
diff --git a/runtime/src/z_Linux_util.cpp b/runtime/src/z_Linux_util.cpp
index 3a59aaa..0580a4e 100644
--- a/runtime/src/z_Linux_util.cpp
+++ b/runtime/src/z_Linux_util.cpp
@@ -1234,7 +1234,7 @@
   // affinity in the parent
   kmp_set_thread_affinity_mask_initial();
 #endif
-  // Set default not to bind threads tightly in the child (we’re expecting
+  // Set default not to bind threads tightly in the child (we're expecting
   // over-subscription after the fork and this can improve things for
   // scripting languages that use OpenMP inside process-parallel code).
   __kmp_affinity_type = affinity_none;