Move reentrancy initialisation/destruction into SAPI.

These calls only do something, if reentrancy emulation is required.

main/SAPI.c

@@ -75,12 +75,14 @@ SAPI_API void sapi_startup(sapi_module_struct *sf)
 #ifdef ZTS
 	sapi_globals_id = ts_allocate_id(sizeof(sapi_globals_struct), NULL, NULL);
 #endif
+	reentrancy_startup();
 
 	php_global_startup_internal_extensions();
 }
 
 SAPI_API void sapi_shutdown(void)
 {
+	reentrancy_shutdown();
 	php_global_shutdown_internal_extensions();
 	zend_hash_destroy(&known_post_content_types);
 }

sapi/aolserver/aolserver.c

@@ -574,7 +574,6 @@ php_ns_server_shutdown(void *context)
 	
 	ctx->sapi_module->shutdown(ctx->sapi_module);
 	sapi_shutdown();
-	reentrancy_shutdown();
 	tsrm_shutdown();
 
 	free(ctx->ns_module);
@@ -594,7 +593,6 @@ int Ns_ModuleInit(char *server, char *module)
 	php_ns_context *ctx;
 	
 	tsrm_startup(1, 1, 0);
-	reentrancy_startup();
 	sapi_startup(&sapi_module);
 	sapi_module.startup(&sapi_module);
 	

sapi/phttpd/phttpd.c

@@ -268,7 +268,6 @@ int php_doit(PHLS_D SLS_DC)
 int pm_init(const char **argv)
 {
 	tsrm_startup(1, 1, 0);
-	reentrancy_startup();
 	sapi_startup(&sapi_module);
     sapi_module.startup(&sapi_module);