- Changed commands to lowercase where it was not the case

diff --git a/programs/ssl/CMakeLists.txt b/programs/ssl/CMakeLists.txt
index 95daa11..4dcf01c 100644
--- a/programs/ssl/CMakeLists.txt
+++ b/programs/ssl/CMakeLists.txt
@@ -21,6 +21,6 @@
 add_executable(ssl_mail_client ssl_mail_client.c)
 target_link_libraries(ssl_mail_client ${libs})
 
-INSTALL(TARGETS ssl_client1 ssl_client2 ssl_server ssl_fork_server ssl_mail_client
+install(TARGETS ssl_client1 ssl_client2 ssl_server ssl_fork_server ssl_mail_client
         DESTINATION "bin"
         PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)