s/INT_MAX/UINT_MAX/ where appropriate

Change-Id: I0156d85671305326525c4644510e240021eca461
diff --git a/vp8/encoder/pickinter.c b/vp8/encoder/pickinter.c
index cf6a82f..817c9ef 100644
--- a/vp8/encoder/pickinter.c
+++ b/vp8/encoder/pickinter.c
@@ -590,9 +590,9 @@
     int distortion2;
     int bestsme = INT_MAX;
     int best_mode_index = 0;
-    unsigned int sse = INT_MAX, best_rd_sse = INT_MAX;
+    unsigned int sse = UINT_MAX, best_rd_sse = UINT_MAX;
 #if CONFIG_TEMPORAL_DENOISING
-    unsigned int zero_mv_sse = INT_MAX, best_sse = INT_MAX;
+    unsigned int zero_mv_sse = UINT_MAX, best_sse = UINT_MAX;
 #endif
 
     int sf_improved_mv_pred = cpi->sf.improved_mv_pred;
diff --git a/vp8/encoder/rdopt.c b/vp8/encoder/rdopt.c
index d9f39b5..f145d09 100644
--- a/vp8/encoder/rdopt.c
+++ b/vp8/encoder/rdopt.c
@@ -1973,8 +1973,8 @@
                                              cpi->common.y1dc_delta_q);
 
 #if CONFIG_TEMPORAL_DENOISING
-    unsigned int zero_mv_sse = INT_MAX, best_sse = INT_MAX,
-            best_rd_sse = INT_MAX;
+    unsigned int zero_mv_sse = UINT_MAX, best_sse = UINT_MAX,
+            best_rd_sse = UINT_MAX;
 #endif
 
     mode_mv = mode_mv_sb[sign_bias];