embryo: remove simple -Wshadow errors. Dangerous/uncertain left.

embryo: remove simple -Wshadow errors. Dangerous/uncertain left.

The follow are left:
{{{
bin/embryo/embryo_cc_sc1.c: In function ‘dowhile’:
bin/embryo/embryo_cc_sc1.c:3524:24: warning: declaration of ‘wq’ shadows a global declaration [-Wshadow]
bin/embryo/embryo_cc_sc1.c:115:21: warning: shadowed declaration is here [-Wshadow]
bin/embryo/embryo_cc_sc1.c: In function ‘dodo’:
bin/embryo/embryo_cc_sc1.c:3546:24: warning: declaration of ‘wq’ shadows a global declaration [-Wshadow]
bin/embryo/embryo_cc_sc1.c:115:21: warning: shadowed declaration is here [-Wshadow]
bin/embryo/embryo_cc_sc1.c: In function ‘dofor’:
bin/embryo/embryo_cc_sc1.c:3565:24: warning: declaration of ‘wq’ shadows a global declaration [-Wshadow]
bin/embryo/embryo_cc_sc1.c:115:21: warning: shadowed declaration is here [-Wshadow]
}}}

looking at their code, they say to alloc a local "wq", but then they
call functions such as delwhile() that changes the global... VERY suspicious!!

SVN revision: 82734