Fixes the following build error:
hiredis.h:101:24: error: lvalue required as left operand of assignment
buf[(len)] = '\0';
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
--- /dev/null
+Index: hiredis-0.13.3/hiredis.h
+===================================================================
+--- hiredis-0.13.3.orig/hiredis.h
++++ hiredis-0.13.3/hiredis.h
+@@ -98,7 +98,7 @@
+ * then GNU strerror_r returned an internal static buffer and we \
+ * need to copy the result into our private buffer. */ \
+ if (err_str != (buf)) { \
+- buf[(len)] = '\0'; \
++ (buf)[(len)] = '\0'; \
+ strncat((buf), err_str, ((len) - 1)); \
+ } \
+ } while (0)