Rename jnt_comp convolves to dist_wtd_comp

Change-Id: I2b175c5c70019398dc61b13d863a8ad85ddb3f6b
diff --git a/aom_dsp/variance.h b/aom_dsp/variance.h
index cc1d2ef..4550c17 100644
--- a/aom_dsp/variance.h
+++ b/aom_dsp/variance.h
@@ -50,11 +50,11 @@
     const uint8_t *a, int a_stride, int xoffset, int yoffset, const uint8_t *b,
     int b_stride, unsigned int *sse, const uint8_t *second_pred);
 
-typedef unsigned int (*aom_jnt_sad_avg_fn_t)(
+typedef unsigned int (*aom_dist_wtd_sad_avg_fn_t)(
     const uint8_t *a, int a_stride, const uint8_t *b, int b_stride,
     const uint8_t *second_pred, const DIST_WTD_COMP_PARAMS *jcp_param);
 
-typedef unsigned int (*aom_jnt_subp_avg_variance_fn_t)(
+typedef unsigned int (*aom_dist_wtd_subp_avg_variance_fn_t)(
     const uint8_t *a, int a_stride, int xoffset, int yoffset, const uint8_t *b,
     int b_stride, unsigned int *sse, const uint8_t *second_pred,
     const DIST_WTD_COMP_PARAMS *jcp_param);
@@ -100,8 +100,8 @@
   aom_obmc_sad_fn_t osdf;
   aom_obmc_variance_fn_t ovf;
   aom_obmc_subpixvariance_fn_t osvf;
-  aom_jnt_sad_avg_fn_t jsdaf;
-  aom_jnt_subp_avg_variance_fn_t jsvaf;
+  aom_dist_wtd_sad_avg_fn_t jsdaf;
+  aom_dist_wtd_subp_avg_variance_fn_t jsvaf;
 } aom_variance_fn_ptr_t;
 
 void aom_highbd_var_filter_block2d_bil_first_pass(