[wsock32] Memleak fix in socket errorpath.

[Peter Berg Larsen]

Changelog:
        Assorted memleak fixes in wsock32/*.
        Found on Michael Stefaniuc smatch list.

Index: dlls/wsock32/socket.c
===================================================================
RCS file: /home/wine/wine/dlls/wsock32/socket.c,v
retrieving revision 1.31
diff -u -r1.31 socket.c
--- dlls/wsock32/socket.c	2 Mar 2005 12:23:21 -0000	1.31
+++ dlls/wsock32/socket.c	10 Mar 2005 00:10:15 -0000
@@ -436,7 +436,7 @@
              * interface are returned. */
                case CL_NL_ENTITY:
                {
-                  DWORD routeTableSize, numRoutes, ndx;
+                  DWORD routeTableSize, numRoutes, ndx, ret;
                   PMIB_IPFORWARDTABLE table;
                   IPRouteEntry *winRouteTable  = (IPRouteEntry *) pResponseInfo;

@@ -450,8 +450,12 @@
                   table = (PMIB_IPFORWARDTABLE)calloc(1, routeTableSize);
                   if (!table)
                      return ERROR_NOT_ENOUGH_MEMORY;
-                  GetIpForwardTable(table, &routeTableSize, FALSE);
-
+                  ret = GetIpForwardTable(table, &routeTableSize, FALSE);
+                  if (ret != NO_ERROR) {
+                     free(table);
+                     return ret;
+                  }
+
                   memset(pResponseInfo, 0, sizeof(IPRouteEntry) * numRoutes);
                   for (ndx = 0; ndx < table->dwNumEntries; ndx++)
                   {
@@ -496,8 +500,10 @@
                   if (!table)
                      return ERROR_NOT_ENOUGH_MEMORY;
                   ret = GetIpNetTable(table, &arpTableSize, FALSE);
-                  if (ret != NO_ERROR)
+                  if (ret != NO_ERROR) {
+                     free(table);
                      return ret;
+                  }
                   if (*pcbResponseInfoLen < sizeof(MIB_IPNETROW) *
                    table->dwNumEntries)
                   {
@@ -532,8 +538,10 @@
                   if (!table)
                      return ERROR_NOT_ENOUGH_MEMORY;
                   ret = GetTcpTable(table, &tcpTableSize, FALSE);
-                  if (ret != NO_ERROR)
+                  if (ret != NO_ERROR) {
+                     free(table);
                      return ret;
+                  }
                   if (*pcbResponseInfoLen < sizeof(MIB_TCPROW) *
                    table->dwNumEntries)
                   {