[PATCH 2/2] Fix typo in usage output for --num-osds

[Sam Lang <samlang@gmail.com>]

This patch fixes the typo in the usage description to match the actual argument string.

Signed-off-by: Sam Lang <samlang@gmail.com>
---
 src/crushtool.cc |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/crushtool.cc b/src/crushtool.cc
index 64b2b4f..4ea7e79 100644
--- a/src/crushtool.cc
+++ b/src/crushtool.cc
@@ -750,7 +750,7 @@ void usage()
   cout << "   --compile|-c map.txt  compile a map from source\n";
   cout << "   [-o outfile [--clobber]]\n";
   cout << "                         specify output for for (de)compilation\n";
-  cout << "   --build --num_osd N layer1 ...\n";
+  cout << "   --build --num_osds N layer1 ...\n";
   cout << "                         build a new map, where each 'layer' is\n";
   cout << "                           'name (uniform|straw|list|tree) size'\n";
   cout << "   --test mapfn          test a range of inputs on the map\n";
-- 
1.7.1