ghostscript: make ghostscript work with long building path

If TMPDIR has more than 256 chars, building ghostscript fails.
This violates the 410 length limit of TMPDIR.

This patch makes building ghostscript succeed by changing its
MAX_TOKEN from 256 to 512.

[YOCTO #2766]

(From OE-Core rev: 30a19b7c791abcbf09193c678866df66d470a6d9)

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-extended/ghostscript/ghostscript/0001-make-ghostscript-work-with-long-building-directory.patch

@@ -0,0 +1,19 @@
+Upstream-Status: Inappropriate [distribution]
+
+Make ghost script work with long building directory
+
+Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
+
+Index: base/genconf.c
+==============================================================
+--- a/base/genconf.c
++++ b/base/genconf.c
+@@ -682,7 +682,7 @@ read_dev(config_t * pconf, const char *arg)
+     string_item_t *item;
+     const char *in;
+ 
+-#define MAX_TOKEN 256
++#define MAX_TOKEN 512
+     char *token = malloc(MAX_TOKEN + 1);
+     char *category = malloc(MAX_TOKEN + 1);
+     int file_index;

meta/recipes-extended/ghostscript/ghostscript_9.05.bb

@@ -15,7 +15,7 @@ SECTION = "console/utils"
 LICENSE = "GPLv3"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=c5326026692dbed183f0558f926580f8"
 
-PR = "r3"
+PR = "r4"
 
 DEPENDS = "ghostscript-native tiff jpeg fontconfig cups"
 DEPENDS_class-native = ""
@@ -30,7 +30,9 @@ SRC_URI = "${SRC_URI_BASE} \
            file://ghostscript-9.05-NOT-check-endian.patch \
            "
 
-SRC_URI_class-native = "${SRC_URI_BASE}"
+SRC_URI_class-native = "${SRC_URI_BASE} \
+		        file://0001-make-ghostscript-work-with-long-building-directory.patch \
+		        "
 
 SRC_URI[md5sum] = "f7c6f0431ca8d44ee132a55d583212c1"
 SRC_URI[sha256sum] = "593f77f7584704bdf9de41598a084a4208c3ad3b940a1de1faaf8f59a15cc207"
@@ -80,10 +82,6 @@ do_install_append () {
     chown -R root:lp ${D}${sysconfdir}/cups
 }
 
-python do_patch_class-native () {
-    pass
-}
-
 do_compile_class-native () {
     mkdir -p obj
     for i in genarch genconf mkromfs echogs gendev genht; do