Some shellcheck offsenses

Author: ChillerDragon

lib/_dump_memory.sh

@@ -18,9 +18,9 @@ rm -rf "$dump_dir"
 mkdir -p "$dump_dir"
 
 # https://serverfault.com/a/408929
-grep rw-p /proc/${server_pid}/maps \
+grep rw-p "/proc/${server_pid}/maps" \
 	| sed -n 's/^\([0-9a-f]*\)-\([0-9a-f]*\) .*$/\1 \2/p' \
-	| while read start stop; do \
+	| while read -r start stop; do \
 	gdb --batch --pid "${server_pid}" -ex \
 	"dump memory ${dump_dir}/${server_pid}-$start-$stop.dump 0x$start 0x$stop"; \
 done

lib/include/update/cmake.sh

@@ -12,7 +12,8 @@ get_cmake_build_dir() {
 }
 
 function cmake_refresh_teeworlds_binary() {
-	local build_dir="$(get_cmake_build_dir)"
+	local build_dir
+	build_dir="$(get_cmake_build_dir)"
 	if [ ! -f "$CFG_GIT_PATH_MOD/$build_dir/$CFG_COMPILED_BIN" ]
 	then
 		err "Error: binary not found try ./update.sh"
@@ -192,7 +193,8 @@ function cmake_update() {
 	update_antibot
 	apply_git_patches
 	bin_commit="$(git rev-parse HEAD)"
-	local build_dir="$(get_cmake_build_dir)"
+	local build_dir
+	build_dir="$(get_cmake_build_dir)"
 	mkdir -p "$SCRIPT_ROOT/lib/tmp"
 	local cmake_cache="$SCRIPT_ROOT/lib/tmp/cmake_flags.txt"
 	if [ -f "$cmake_cache" ]