--- auto/unix      2011-11-01 11:25:15.000000000 +0000
+++ auto/unix      2011-11-21 11:25:40.000000000 +0000
@@ -496,7 +496,8 @@
  ngx_feature="sys_nerr"
  ngx_feature_name="NGX_SYS_NERR"
  ngx_feature_run=value
- ngx_feature_incs='#include <stdio.h>'
+ ngx_feature_incs='#include <errno.h>
+                   #include <stdio.h>'
  ngx_feature_path=
  ngx_feature_libs=
  ngx_feature_test='printf("%d", sys_nerr);'
@@ -538,10 +539,10 @@
                                || p == NULL
                                || strncmp(p, "Unknown error", 13) == 0)
                            {
-                               printf("%d", n);
-                               return 0;
+                               break;
                            }
-                      }'
+                       }
+                       printf("%d", n);'
      . auto/feature
  fi
  
