Updated rollup's glsl() plugin.

Author: mrdoob

rollup.config.js

@@ -162,7 +162,7 @@ function glsl() {
 
 			if ( /\.glsl.js$/.test( id ) === false ) return;
 
-			code = code.replace( /\`((.*|\n|\r\n)*)\`/, function ( match, p1 ) {
+			code = code.replace( /\/\* glsl \*\/\`((.*|\n|\r\n)*)\`/, function ( match, p1 ) {
 
 				return JSON.stringify(
 					p1