msvcrt: Fix scanf format "%i" base detection.

dlls/msvcrt/scanf.h

@@ -169,7 +169,7 @@ _FUNCTION_ {
 		base = 10;
 		goto number;
 	    case 'i': /* generic integer */
-		base = 10;
+		base = 0;
 	    number: {
 		    /* read an integer */
 		    ULONGLONG cur = 0;
@@ -200,6 +200,9 @@ _FUNCTION_ {
 			} else if (base==0)
 			    base = 8;
 		    }
+		    /* format %i without indication of base */
+		    if (base==0)
+			base = 10;
 		    /* throw away leading zeros */
 		    while (width!=0 && nch=='0') {
                         nch = _GETC_(file);

dlls/msvcrt/tests/scanf.c

@@ -110,6 +110,18 @@ static void test_sscanf( void )
     ok(ret == 1, "Wrong number of arguments read: %d (expected 1)\n", ret);
     ok(result == -1, "Read %d, expected -1\n", result);
 
+    /* Check %i for octal and hexadecimal input */
+    result = 0;
+    strcpy(buffer,"017");
+    ret = sscanf(buffer, "%i", &result);
+    ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
+    ok(result == 15, "Wrong number read\n");
+    result = 0;
+    strcpy(buffer,"0x17");
+    ret = sscanf(buffer, "%i", &result);
+    ok(ret == 1, "Wrong number of arguments read: %d\n", ret);
+    ok(result == 23, "Wrong number read\n");
+
     /* %o */
     result = 0;
     ret = sscanf("-1", "%o", &result);