diff --git a/auto/lib/pcre/conf b/auto/lib/pcre/conf
index 946b26e..460325c 100644
--- a/auto/lib/pcre/conf
+++ b/auto/lib/pcre/conf
@@ -66,7 +66,7 @@
 
         # FreeBSD PCRE port requires --with-cc-opt="-I /usr/local/include"
         #                            --with-ld-opt="-L /usr/local/lib"
-        
+
         ngx_feature="PCRE library"
         ngx_feature_name="NGX_PCRE"
         ngx_feature_run=no