style fix

src/http/modules/perl/ngx_http_perl_module.h

diff --git a/src/http/modules/perl/ngx_http_perl_module.h b/src/http/modules/perl/ngx_http_perl_module.h
index 5a3d508..67aaba0 100644
--- a/src/http/modules/perl/ngx_http_perl_module.h
+++ b/src/http/modules/perl/ngx_http_perl_module.h
@@ -48,7 +48,7 @@
 #endif
 
 
-extern void  boot_DynaLoader(pTHX_ CV* cv);
+extern void boot_DynaLoader(pTHX_ CV* cv);
 
 
 void ngx_http_perl_handle_request(ngx_http_request_t *r);