Fix sample

Author: terryburton

src/sample

@@ -9,7 +9,10 @@
 385 180 moveto (THIS IS CODE 93) (includecheck includetext) /code93 /uk.co.terryburton.bwipp findresource exec
 0 -17 rmoveto (Code 93) show
 
-375 380 moveto (\(00\)009528765432108321|\(02\)09520123456788\(37\)24\(10\)1234567ABCDEFG) (ccversion=c includetext dontlint) /gs1-128composite /uk.co.terryburton.bwipp findresource exec
+375 380 moveto
+gsave
+(\(00\)009528765432108321|\(02\)09520123456788\(37\)24\(10\)1234567ABCDEFG) (ccversion=c includetext dontlint) /gs1-128composite /uk.co.terryburton.bwipp findresource exec
+grestore
 0 -17 rmoveto (GS1-128 Composite) show
 
 145 680 moveto (0123456789) (includecheck includetext) /interleaved2of5 /uk.co.terryburton.bwipp findresource exec