zdotc: BLAS TEST failed on x86 32bits

[xianyi]

Outputs:
Test of subprogram number 1 ZDOTC
FAIL

CASE N INCX INCY MODE I COMP(I) TRUE(I) DIFFERENCE SIZE(I)

1  1    1    1 9999  1                      0.48000000D+00                      0.90000000D+00 -0.4200D+00  0.9000D+00
1  1    1    1 9999  2                      0.00000000D+00                      0.60000000D-01 -0.6000D-01  0.9000D+00

Platform:
Intel Core 2 Q8400
Ubuntu 10.04 32bits

[xianyi]

On x86 32bits, gcc 4.4.3 generated wrong codes (movsd) from movlps in zdot_sse2.S line 191.
This would casue zdotu & zdotc failures. Instead, use movlpd to walk around it. Closed by 36016fe. Closed by 36016fe.