DRD help text: remove a superfluous dot

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12294 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/drd/drd_main.c b/drd/drd_main.c
index 5b4d83d..c9ed0cc 100644
--- a/drd/drd_main.c
+++ b/drd/drd_main.c
@@ -217,7 +217,7 @@
 "    --show-stack-usage=yes|no Print stack usage at thread exit time [no].\n"
 "\n"
 "  drd options for monitoring process behavior:\n"
-"    --trace-addr=<address>    Trace all load and store activity for the.\n"
+"    --trace-addr=<address>    Trace all load and store activity for the\n"
 "                              specified address [off].\n"
 "    --trace-alloc=yes|no      Trace all memory allocations and deallocations\n""                              [no].\n"
 "    --trace-barrier=yes|no    Trace all barrier activity [no].\n"