algol68g: Trivial fix in patch

+1 -1
+1 -1
pkgs/development/compilers/algol68g/0001-plotutils-png-support.diff
··· 9 9 -/*------------------------------------+ 10 10 -| Supported plotter type - pseudo GIF | 11 11 -+------------------------------------*/ 12 - + } else if (!strcmp (device_type, "gif") || !strcmp (device_type, "gif")) { 12 + + } else if (!strcmp (device_type, "gif") || !strcmp (device_type, "png")) { 13 13 +/*-------------------------------------------+ 14 14 +| Supported plotter type - pseudo GIF or PNG | 15 15 ++-------------------------------------------*/