Remove redundant assignment in kvvfs's decoding.

FossilOrigin-Name: 2ffbf0c73c5a0f08717093cfaac99c4aedee506ec7b5a9a62c92168a2bcadc14

manifest

@@ -1,9 +1,9 @@
 B eed1e030722deb24674e7c2d165a2a359576c6bb5769d3bdd5fa645bc0f2ecc7
-C Avoid\san\sinfinite\sloop\swhen\san\sunexpected\scharacter\sis\sbeing\sdecoded\sby\skvvfs
-D 2022-12-31T05:19:45.137
-F src/os_kv.c e1904ab1bd4297a1e87a090b1fb8bb27a6cf1dbd2f2a51eaa1a393600c1eb256
-P eed1e030722deb24674e7c2d165a2a359576c6bb5769d3bdd5fa645bc0f2ecc7
-R c649f528c3f486027b76c2a70f721d2f
+C Remove\sredundant\sassignment\sin\skvvfs's\sdecoding.
+D 2022-12-31T05:26:35.779
+F src/os_kv.c 4d39e1f1c180b11162c6dc4aa8ad34053873a639bac6baae23272fc03349986a
+P 6909195f77b50650982a6afd9d72b3a6ac9aff1f86c653fa18d0d9bf64e9bd8f
+R 569931f83ecfee5b2a248fa259292fcb
 U peter.d.reid
-Z e0c5154c2fe5755443625b20d7f7ec8e
+Z 74bc98f2ea0e9fc82bb5720be8df5edc
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-6909195f77b50650982a6afd9d72b3a6ac9aff1f86c653fa18d0d9bf64e9bd8f
+2ffbf0c73c5a0f08717093cfaac99c4aedee506ec7b5a9a62c92168a2bcadc14

src/os_kv.c

@@ -417,7 +417,6 @@ static int kvvfsDecode(const char *a, char *aOut, int nOut){
       if( j+n>nOut ) return -1;
       memset(&aOut[j], 0, n);
       j += n;
-      c = aIn[i];
       if( c==0 || mult==1 ) break; /* progress stalled if mult==1 */
     }else{
       aOut[j] = c<<4;