Fix typos in source code. Patch by Dmitriy (olshevskiy87@bk.ru).
Fixes BZ #349874


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15394 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/drd/drd_error.c b/drd/drd_error.c
index c510b88..eb92689 100644
--- a/drd/drd_error.c
+++ b/drd/drd_error.c
@@ -174,7 +174,7 @@
    tl_assert(dri->size > 0);
 
    (void) VG_(get_data_description)(descr1, descr2, dri->addr);
-   /* If there's nothing in descr1/2, free them.  Why is it safe to to
+   /* If there's nothing in descr1/2, free them.  Why is it safe to
       VG_(indexXA) at zero here?  Because VG_(get_data_description)
       guarantees to zero terminate descr1/2 regardless of the outcome
       of the call.  So there's always at least one element in each XA