- Changed commands to lowercase where it was not the case

diff --git a/programs/x509/CMakeLists.txt b/programs/x509/CMakeLists.txt
index 15b634a..554d9a0 100644
--- a/programs/x509/CMakeLists.txt
+++ b/programs/x509/CMakeLists.txt
@@ -12,6 +12,6 @@
 add_executable(crl_app crl_app.c)
 target_link_libraries(crl_app ${libs})
 
-INSTALL(TARGETS cert_app crl_app
+install(TARGETS cert_app crl_app
         DESTINATION "bin"
         PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)