Make ImageEncodings unsigned

Starts at 0 and increments to count encodings - should never go negative.

Fixes clang warnings:

xvinfo.c:184:31: warning: implicit conversion changes signedness: 'int' to
      'unsigned int' [-Wsign-conversion]
                if (nencode - ImageEncodings) {
                            ~ ^~~~~~~~~~~~~~

xvinfo.c:186:39: warning: implicit conversion changes signedness: 'int' to
      'unsigned int' [-Wsign-conversion]
                            nencode - ImageEncodings);
                                    ~ ^~~~~~~~~~~~~~

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/xvinfo.c b/xvinfo.c
index d24aa5b..951ab22 100644
--- a/xvinfo.c
+++ b/xvinfo.c
@@ -174,7 +174,7 @@ main(int argc, char *argv[])
             XvQueryEncodings(dpy, ainfo[j].base_id, &nencode, &encodings);
 
             if (encodings && nencode) {
-                int ImageEncodings = 0;
+                unsigned int ImageEncodings = 0;
 
                 for (n = 0; n < nencode; n++) {
                     if (!strcmp(encodings[n].name, "XV_IMAGE"))