libprofit 1.7.4

This version fixes a small problem spotted by valgrind, where we were
multiplying uninitialized complex values coming out of the FFT forward
transformation. These multiplications were actually unnecessary, so they
did not affect the final result, and only augmented the cost of the
FFT-based convolution (though only by a small fraction).

Signed-off-by: Rodrigo Tobar <rtobar@icrar.org>

VERSION

@@ -1 +1 @@
-1.7.3
+1.7.4