Merge pull request #143 from staalmannen/claude/upgrade-ape-c-library-mmZGd

ld/dwarf: increase includestack from 16 to 64

Author: staalmannen

sys/src/cmd/ld/dwarf.c

@@ -518,7 +518,7 @@ addhistfile(char *zentry)
 static struct {
 	int file;
 	vlong line;
-} includestack[16];
+} includestack[64];
 static int includetop;
 static vlong absline;