fixes for dash

lib/utils/loader.sh

@@ -3,7 +3,8 @@
 load_reporter_with_prefix () {
   local prefix=$1
   local file=$2
-  # dash will error if this variable is defined as `local`
+  local content
+
   content=$(sed \
           -e 's/^[[:space:]]*\(init[ ]*()[ ]*{\)/'"$prefix"'\1/' \
           -e 's/^[[:space:]]*\(report[ ]*()[ ]*{\)/'"$prefix"'\1/' \
@@ -16,6 +17,7 @@ load_reporter_with_prefix () {
 load_metric_with_prefix () {
   local prefix=$1
   local file=$2
+  local content
 
   # dash will error if this variable is defined as `local`
   content=$(sed \