eepro100: Allocate a larger buffer for regname()

This should avoid truncating the register name when debugging.

Signed-off-by: David Benjamin <davidben@mit.edu>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/hw/eepro100.c b/hw/eepro100.c
index eb16a51..52cf902 100644
--- a/hw/eepro100.c
+++ b/hw/eepro100.c
@@ -648,7 +648,7 @@
 
 static char *regname(uint32_t addr)
 {
-    static char buf[16];
+    static char buf[32];
     if (addr < PCI_IO_SIZE) {
         const char *r = reg[addr / 4];
         if (r != 0) {