Use case-sensitive keyword Log instead of log

Change-Id: I756aedef764cdbbc91d27b6eba060cb4e5fea66b
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/robot-systest/lib/vim_lib.robot b/robot-systest/lib/vim_lib.robot
index bfaae36..c1eaf91 100644
--- a/robot-systest/lib/vim_lib.robot
+++ b/robot-systest/lib/vim_lib.robot
@@ -46,7 +46,7 @@
         ${osm_vim_create_command}=   Catenate   ${osm_vim_create_command}   --${param_name}=${param_value}
     END
     ${rc}   ${stdout}=   Run and Return RC and Output   ${osm_vim_create_command}
-    log   ${stdout}
+    Log   ${stdout}
     Should Be Equal As Integers   ${rc}   ${success_return_code}
     [Return]   ${stdout}
 
@@ -55,13 +55,13 @@
     [Arguments]   ${vim_name}
 
     ${rc}   ${stdout}=   Run Keyword And Continue On Failure   Run and Return RC and Output   osm vim-delete ${vim_name}
-    log   ${stdout}
+    Log   ${stdout}
     Wait Until Keyword Succeeds   ${delete_max_wait_time}   ${delete_pol_time}   Check for VIM Target   ${vim_name}
 
 
 Get VIM Targets
     ${rc}   ${stdout}=   Run and Return RC and Output   osm vim-list
-    log   ${stdout}
+    Log   ${stdout}
     Should Be Equal As Integers   ${rc}   ${success_return_code}