Fix indentation

build/wordpress/Dockerfile

@@ -7,7 +7,8 @@ RUN apt-get update && apt-get install -y \
 		libfreetype6-dev \
 		libjpeg62-turbo-dev \
 		libpng-dev \
-        libxml2-dev
+	        libxml2-dev
+
 RUN docker-php-ext-configure gd --with-freetype=/usr/include/ --with-jpeg=/usr/include/ \
     && docker-php-ext-install -j$(nproc) \
 		gd \