restore *.orig.c to each entry

Under each yyyy/dir there is a file of the form '*.orig.c'
containing the original source code, or as close as we can
get to the original source code.

2015/endoh2/prog.orig.c

@@ -0,0 +1 @@
+int main(){ printf("");{char*p,s[999]="int main(){ printf(~~);{char*p,s[999]=~%s~,*q=s,c;for(p=62**~~+q;q<s+435;c=q-s>*~s~||c>8?*p++=c-35?*~}~<c?34:c:92:0,p[*~~]=0)c=*q++;*p=2+*~~;printf(s+62**~~,s);}return(*~#0_HH_ee_ll_ll_oo_,,_  _ww_oo_rr_ll_dd_!!#n~); }",*q=s,c;for(p=62**""+q;q<s+435;c=q-s>*"s"||c>8?*p++=c-35?*"}"<c?34:c:92:0,p[*""]=0)c=*q++;*p=2+*"";printf(s+62**"",s);}return(*"\0_HH_ee_ll_ll_oo_,,_  _ww_oo_rr_ll_dd_!!\n"); }