functions: fix typo in variable name

builderrors -> _builderrors -- this makes binary dep resolution
properly a builderror. As seen in:

https://bugs.archlinux.org/task/51818

1 files changed, 1 insertions, 1 deletions

diff --git a/functions b/functions
index 7785347..14235b2 100644
--- a/functions
+++ b/functions
@@ -590,7 +590,7 @@ add_binary() {
             sodep=${BASH_REMATCH[1]}
         elif [[ $line = *'not found' ]]; then
             error "binary dependency \`%s' not found for \`%s'" "${line%% *}" "$1"
-            (( ++builderrors ))
+            (( ++_builderrors ))
             continue
         fi