Fix nonNull check

Fix spotbugs, in different location now

Signed-off-by: tobiasKaminsky <tobias@kaminsky.me>

scripts/analysis/analysis-wrapper.sh

@@ -112,7 +112,7 @@ else
         exit $lintValue
     fi
 
-    if [ $notNull -gt 0 ]; then
+    if [[ -n $notNull ]]; then
         exit 1
     fi
 

scripts/analysis/findbugs-up.rb

@@ -67,7 +67,7 @@ end
 findbugs_report = String.new(findbugs_reports[0])
 
 # find number of warnings
-current_warning_count = `grep -A 3 "<b>Total</b>" build/reports/spotbugs/spotbugs.html | tail -n1 | cut -f2 -d">" | cut -f1 -d"<"`.to_i
+current_warning_count = `grep -A 3 "<b>Total</b>" app/build/reports/spotbugs/spotbugs.html | tail -n1 | cut -f2 -d">" | cut -f1 -d"<"`.to_i
 puts "found warnings: " + current_warning_count.to_s
 
 # get warning counts from last successful build