cc/gcc: do not consume parameters when parsing them

The current construct consumes the parameters while we parse them.
Change this to a construct that does not consume the parameters.

This has no impact on gcc, but is done for homogeneity with other
components (eg. glibc).

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

scripts/build/cc/gcc.sh

@@ -122,10 +122,10 @@ do_cc_core() {
     local -a extra_config
     local -a core_LDFLAGS
     local -a core_targets
+    local arg
 
-    while [ $# -ne 0 ]; do
-        eval "${1// /\\ }"
-        shift
+    for arg in "$@"; do
+        eval "${arg// /\\ }"
     done
 
     lang_opt=c