Revert "Move struc FFTContext below SECTION_RODATA"

This reverts commit 599888a4.

The commit does not silence the warning on ELF-based systems, and will be
fixed in the subsequent commit.

Conflicts:
	libavcodec/x86/fft_mmx.asm
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/x86/fft.asm

@@ -36,8 +36,6 @@
 %define pointer resd
 %endif
 
-SECTION_RODATA 32
-
 struc FFTContext
     .nbits:    resd 1
     .reverse:  resd 1
@@ -53,6 +51,8 @@ struc FFTContext
     .imdcthalf:pointer 1
 endstruc
 
+SECTION_RODATA 32
+
 %define M_SQRT1_2 0.70710678118654752440
 %define M_COS_PI_1_8 0.923879532511287
 %define M_COS_PI_3_8 0.38268343236509