Change occurrences of gcc to the more general cc

This is done for the sake of Yosemite, which does not have gcc, and yet
this change is also compatible with Linux.

pkgs/development/compilers/oraclejdk/dlj-bundle-builder.sh

@@ -5,7 +5,7 @@ unzip ${src} || true
 
 # set the dynamic linker of unpack200, necessary for construct script
 echo "patching unpack200"
-patchelf --interpreter "$(cat $NIX_GCC/nix-support/dynamic-linker)" --set-rpath "" */bin/unpack200
+patchelf --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" --set-rpath "" */bin/unpack200
 
 echo "constructing JDK and JRE installations"
 if test -z "$installjdk"; then
@@ -46,7 +46,7 @@ rpath=$rpath${rpath:+:}$jrePath/lib/$architecture/jli
 
 # set all the dynamic linkers
 find $out -type f -perm +100 \
-    -exec patchelf --interpreter "$(cat $NIX_GCC/nix-support/dynamic-linker)" \
+    -exec patchelf --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
     --set-rpath "$rpath" {} \;
 
 find $out -name "*.so" -exec patchelf --set-rpath "$rpath" {} \;