Fix linting errors

src/materials/ShaderMaterial.js

@@ -111,7 +111,7 @@ ShaderMaterial.prototype.copy = function ( source ) {
 
 	this.extensions = Object.assign( {}, source.extensions );
 
-	this.glslVersion = source.glslVersion
+	this.glslVersion = source.glslVersion;
 
 	return this;
 
@@ -121,9 +121,9 @@ ShaderMaterial.prototype.toJSON = function ( meta ) {
 
 	const data = Material.prototype.toJSON.call( this, meta );
 
-	data.glslVersion = this.glslVersion
+	data.glslVersion = this.glslVersion;
 	data.uniforms = {};
-	
+
 	for ( const name in this.uniforms ) {
 
 		const uniform = this.uniforms[ name ];

src/renderers/webgl/WebGLProgram.js

@@ -405,7 +405,7 @@ function WebGLProgram( renderer, cacheKey, parameters, bindingStates ) {
 	const program = gl.createProgram();
 
 	let prefixVertex, prefixFragment;
-	let versionString = parameters.glslVersion ? '#version ' + parameters.glslVersion : ''
+	let versionString = parameters.glslVersion ? '#version ' + parameters.glslVersion : '';
 
 	if ( parameters.isRawShaderMaterial ) {