php: remove gd-native-ttf option on gd build

Fixes #59

Signed-off-by: pierrecdn <[email protected]>

Author: pierrecdn

Dockerfile

@@ -26,7 +26,7 @@ RUN mkdir -p /var/lib/mibs/ietf && \
 # Configure apache and required PHP modules
 RUN docker-php-ext-configure mysqli --with-mysqli=mysqlnd && \
     docker-php-ext-install mysqli && \
-    docker-php-ext-configure gd --enable-gd-native-ttf --with-freetype-dir=/usr/include/freetype2 --with-png-dir=/usr/include --with-jpeg-dir=/usr/include && \
+    docker-php-ext-configure gd --with-freetype-dir=/usr/include/freetype2 --with-png-dir=/usr/include --with-jpeg-dir=/usr/include && \
     docker-php-ext-install gd && \
     docker-php-ext-install curl && \
     docker-php-ext-install json && \