diff --git a/src/configure.in b/src/configure.in
index 4d8794a42d43ed9578c9df1543018606ec2de890..aba071e49a2a6edc1ebe717520f10c738acd210b 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -4501,7 +4501,7 @@ AC_CHECK_FUNCS( \
  socketpair \
  bswap16 \
  __bswap16 \
- bswap32 \ 
+ bswap32 \
  __bswap32 \
  bswap64 \
  __bswap64 \