Fix a couple of visual studio nightly build failures.

- Add explicit cast of bool to int to silence a test warning.
- Add explicit cast of size_t to int for same in dump_obu.

Change-Id: I90846eb5c88880d921f20cb66b116ab7d2799af5
diff --git a/test/intrabc_test.cc b/test/intrabc_test.cc
index b434089..d8fd0d4 100644
--- a/test/intrabc_test.cc
+++ b/test/intrabc_test.cc
@@ -146,7 +146,7 @@
   tile.mi_col_start = 24 * MAX_MIB_SIZE;
   tile.mi_col_end = tile.mi_col_start + kTileMaxMibWidth * MAX_MIB_SIZE;
   for (int i = 0; i < static_cast<int>(GTEST_ARRAY_SIZE_(kDvCases)); ++i) {
-    EXPECT_EQ(kDvCases[i].valid,
+    EXPECT_EQ(static_cast<int>(kDvCases[i].valid),
               av1_is_dv_valid(kDvCases[i].dv, &tile,
                               tile.mi_row_start + kDvCases[i].mi_row_offset,
                               tile.mi_col_start + kDvCases[i].mi_col_offset,
diff --git a/tools/dump_obu.cc b/tools/dump_obu.cc
index c2b1644..a621274 100644
--- a/tools/dump_obu.cc
+++ b/tools/dump_obu.cc
@@ -138,7 +138,8 @@
   int unit_number = 0;
   while (ReadTemporalUnit(&input_ctx, &unit_size)) {
     printf("Temporal unit %d\n", unit_number);
-    if (!aom_tools::DumpObu(input_ctx.unit_buffer, unit_size)) {
+    if (!aom_tools::DumpObu(input_ctx.unit_buffer,
+                            static_cast<int>(unit_size))) {
       fprintf(stderr, "Error: Temporal Unit parse failed on unit number %d.\n",
               unit_number);
       return EXIT_FAILURE;