check if there was a successful push to coverity today

tools/.coverity.sh

@@ -5,7 +5,7 @@
 # of the day to the coverity scan service
 #
 
-COMMITS=`git log --since=today.midnight --oneline | wc -l`
+COMMITS=`git log coverity_scan --since=today.midnight --oneline | wc -l`
 
 if [[ "$COMMITS" -le "1" ]]; then
     #first commit a day - push changes to branch coverity_scan

tools/.deployDoxygen.sh

@@ -5,7 +5,7 @@
 # Doxygen docs to open62541-www
 #
 
-COMMITS=`git log --since=today.midnight --oneline | wc -l`
+COMMITS=`git log coverity_scan --since=today.midnight --oneline | wc -l`
 
 if [[ "$COMMITS" -le "1" ]]; then
    git clone --depth=50 -b gh-pages https://$GITAUTH@github.com/acplt/open62541-www