Fix C code generate by 'openssl dsaparam -C'.

CHANGES

@@ -3,6 +3,10 @@
 
  Changes between 0.9.6 and 0.9.7  [xx XXX 2000]
 
+  *) Fix C code generated by 'openssl dsaparam -C': If a BN_bin2bn
+     call failed, free the DSA structure.
+     [Bodo Moeller]
+
   *) Add another call level for memory allocation routines, thereby
      allowing memory allocation callbacks that can be given file
      name and line number information.  The basic functionality

apps/dsaparam.c

@@ -338,7 +338,7 @@ bad:
 		printf("\tdsa->g=BN_bin2bn(dsa%d_g,sizeof(dsa%d_g),NULL);\n",
 			bits_p,bits_p);
 		printf("\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))\n");
-		printf("\t\treturn(NULL);\n");
+		printf("\t\t{ DSA_free(dsa); return(NULL); }\n");
 		printf("\treturn(dsa);\n\t}\n");
 		}