Avoid nested macros when reporting runtime version in debug mode

This appeared to work in GCC but caused compilation errors on Windows. Related to: 2f750b0

Author: jmikola

php_phongo.c

@@ -1861,7 +1861,7 @@ mongoc_client_t *php_phongo_make_mongo_client(const mongoc_uri_t *uri, zval *dri
 {
 	zval                     **tmp;
 	php_stream_context        *ctx;
-	const char                *mech;
+	const char                *mech, *mongoc_version, *bson_version;
 	mongoc_client_t           *client;
 
 	ENTRY;
@@ -1883,21 +1883,25 @@ mongoc_client_t *php_phongo_make_mongo_client(const mongoc_uri_t *uri, zval *dri
 		php_phongo_populate_default_ssl_ctx(ctx, driverOptions);
 	}
 
-	MONGOC_DEBUG("Creating Manager, phongo-%s[%s] - mongoc-%s(%s), libbson-%s(%s), php-%s",
-		MONGODB_VERSION_S,
-		MONGODB_STABILITY_S,
-		MONGOC_VERSION_S,
 #ifdef HAVE_SYSTEM_LIBMONGOC
-		mongoc_get_version(),
+	mongoc_version = mongoc_get_version();
 #else
-		"bundled",
+	mongoc_version = "bundled";
 #endif
-		BSON_VERSION_S,
+
 #ifdef HAVE_SYSTEM_LIBBSON
-		bson_get_version(),
+	bson_version = bson_get_version();
 #else
-		"bundled",
+	bson_version = "bundled";
 #endif
+
+	MONGOC_DEBUG("Creating Manager, phongo-%s[%s] - mongoc-%s(%s), libbson-%s(%s), php-%s",
+		MONGODB_VERSION_S,
+		MONGODB_STABILITY_S,
+		MONGOC_VERSION_S,
+		mongoc_version,
+		BSON_VERSION_S,
+		bson_version,
 		PHP_VERSION
 	);
 	client = mongoc_client_new_from_uri(uri);