Squashed 'third_party/eigen/' changes from 61d72f6..cf794d3


Change-Id: I9b814151b01f49af6337a8605d0c42a3a1ed4c72
git-subtree-dir: third_party/eigen
git-subtree-split: cf794d3b741a6278df169e58461f8529f43bce5d
diff --git a/scripts/check.in b/scripts/check.in
index a90061a..7717e2d 100755
--- a/scripts/check.in
+++ b/scripts/check.in
@@ -3,7 +3,7 @@
 
 if [[ $# != 1 || $1 == *help ]]
 then
-  echo "usage: ./check regexp"
+  echo "usage: $0 regexp"
   echo "  Builds and runs tests matching the regexp."
   echo "  The EIGEN_MAKE_ARGS environment variable allows to pass args to 'make'."
   echo "    For example, to launch 5 concurrent builds, use EIGEN_MAKE_ARGS='-j5'"