Build warning fixes.

modules/core/include/opencv2/core/types_c.h

@@ -315,6 +315,8 @@ CV_INLINE  int  cvRound( double value )
         fistp t;
     }
     return t;
+#elif defined _MSC_VER && defined _M_ARM && defined HAVE_TEGRA_OPTIMIZATION
+    TEGRA_ROUND(value);
 #elif defined HAVE_LRINT || defined CV_ICC || defined __GNUC__
 #  ifdef HAVE_TEGRA_OPTIMIZATION
     TEGRA_ROUND(value);
@@ -324,7 +326,7 @@ CV_INLINE  int  cvRound( double value )
 #else
     double intpart, fractpart;
     fractpart = modf(value, &intpart);
-    if ((abs(fractpart) != 0.5) || ((((int)intpart) % 2) != 0))
+    if ((fabs(fractpart) != 0.5) || ((((int)intpart) % 2) != 0))
         return (int)(value + (value >= 0 ? 0.5 : -0.5));
     else
         return (int)intpart;

modules/imgproc/src/imgwarp.cpp

@@ -1740,7 +1740,7 @@ void cv::resize( InputArray _src, OutputArray _dst, Size dsize,
 
 
 #ifdef HAVE_TEGRA_OPTIMIZATION
-    if (tegra::resize(src, dst, inv_scale_x, inv_scale_y, interpolation))
+    if (tegra::resize(src, dst, (float)inv_scale_x, (float)inv_scale_y, interpolation))
         return;
 #endif