Suppress stdout in rebuild.sh script

This makes config and build warnings more visible

Author: jmikola

rebuild.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
 
 export CFLAGS="-Wall -Wextra -Wdeclaration-after-statement -Wmissing-field-initializers -Wshadow -Wno-unused-parameter -ggdb3"
-phpize && ./configure --with-mongo-sasl && make clean && make -j 5 all && make install
+phpize && ./configure --with-mongo-sasl > /dev/null && \
+make clean && make -j 5 all > /dev/null && make install