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[ld/coff32] Support for short names in symbols

Coff32 supports longer names using an union with the name of the
symbol.

--- a/ld/coff32.c

+++ b/ld/coff32.c

@@ -102,6 +102,8 @@

 getsym(unsigned char *buff, SYMENT *ent)

 {

 	int n;

+	long off, zero;

+	char *name;

 	n = (*unpack)(buff,

 		      "'8lsscc",

@@ -112,6 +114,10 @@

 		      &ent->n_sclass,

 		      &ent->n_numaux);

 	assert(n == SYMESZ);

+

+	name = ent->n_name;

+	if (!name[0] && !name[1] && !name[2] && !name[3])

+		(*unpack)(buff, "ll", &ent->n_zeroes, &ent->n_offset);

 }

 static int