update GLdefine generator

src/Utils/GLUtil_define_generator.sh

@@ -10,4 +10,4 @@ sort -n |
 sed -e 's|\([0-9]*\) \(.*\)$|\1 \2\n\1|' |
 sed -e :a -e '/^\([0-9]*\)$/N; s/\n/ /; ta' |
 awk '{if (3==NF){if ($1!=$2) print $2,$3; else print $3}else if (2==NF)print $1,$2}' |
-awk '{if (2==NF){print "        return _GL_UNDEFINED;\n    case "$1":"; $1=$2}; print "#ifdef "$1"\n       if (!strcmp(name, \""$1"\")) return "$1";\n#endif"}'
+awk '{if (2==NF){print "return _GL_UNDEFINED;\ncase "$1":"; $1=$2}; print "#ifdef "$1"\nif (!strcmp(name, \""$1"\"))\n{\n  return "$1";\n}\n#endif"}'