VersionGen.cmake: Fix endif.
diff --git a/cmake/modules/VersionGen.cmake b/cmake/modules/VersionGen.cmake
index 340455b..f10ce33 100644
--- a/cmake/modules/VersionGen.cmake
+++ b/cmake/modules/VersionGen.cmake
@@ -12,7 +12,7 @@
list (GET _version_strs 0 _version_strs0)
if (NOT (${_version_strs0} STREQUAL ""))
set (_vn "v${_version_strs0}")
- endif (${_version_strs0})
+ endif (NOT (${_version_strs0} STREQUAL ""))
elseif (EXISTS "${CMAKE_SOURCE_DIR}/.git")
execute_process (COMMAND git describe --match "v[0-9]*" --abbrev=4 HEAD
RESULT_VARIABLE _git_result