Merge remote-tracking branch 'qatar/master'

* qatar/master:
  configure: Move log2 dependency declaration to a place it takes effect
Merged-by: Michael Niedermayer <michaelni@gmx.at>

configure

@@ -1815,6 +1815,9 @@ fast_unaligned_if_any="ppc x86"
 
 need_memalign="altivec neon sse"
 
+# system capabilities
+log2_deps="!libc_msvcrt"
+
 symver_if_any="symver_asm_label symver_gnu_asm"
 
 # subsystems
@@ -3894,7 +3897,6 @@ case $libc_type in
         add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \
                                      _snprintf=avpriv_snprintf  \
                                      vsnprintf=avpriv_vsnprintf
-        disable log2
         ;;
 esac