Fix flashing of zips inside directories with spaces in their names

It seems like the " in Line 6 are not enough, unzip still refused to unpack files inside a directory with a space in it's name.
The new " fix that and now allow us to flash zips inside folders with spaces in their names.

META-INF/com/google/android/update-binary

@@ -29,7 +29,7 @@ show_progress 1.34 4;
 ui_print " ";
 mkdir -p /tmp/anykernel;
 cd /tmp/anykernel;
-unzip -o $ZIP;
+unzip -o "$ZIP";
 
 ui_print "$(file_getprop /tmp/anykernel/anykernel.sh kernel.string)";
 ui_print " ";