Not working axial gauge

[stloufra]

When process is produced with set gauge axial while launched and compiling the code g++ unhappy with error stating missing semicolon.

To reproduce the error on 3.6.4:

set gauge axial
generate u u > H j j j j
output madevent_simd PROC_uu_hjjjji_native
launch
set cudacpp_backend CPPNONE
set nevents 10k

Error produced:

g++  -I. -I../../src -O3  -std=c++17 -Wall -Wshadow -Wextra -ffast-math   -march=x86-64  -DMGONGPU_FPTYPE_DOUBLE -DMGONGPU_FPTYPE2_FLOAT -fPIC -c fsampler.cc -o fsampler_cpp.o
        In file included from CPPProcess.cc:19:
        ../../src/HelAmps_sm.h: In function ‘void mg5amcCpu::FFV1P0_3(const fptype*, const fptype*, const fptype*, double, mgOnGpu::fptype, mgOnGpu::fptype, mgOnGpu::fptype*)’:
        ../../src/HelAmps_sm.h:1174:5: error: expected ‘,’ or ‘;’ before ‘V3’
         1174 |     V3[2] = denom * ( -cI ) * ( TMP1 * ( F2[2] * F1[4] + F2[3] * F1[5] + F2[4] * F1[2] + F2[5] * F1[3] ) - P3[0] * ( TMP2 + TMP3 ) );
              |     ^~
        ../../src/HelAmps_sm.h: In function ‘void mg5amcCpu::VVV1P0_1(const fptype*, const fptype*, const fptype*, double, mgOnGpu::fptype, mgOnGpu::fptype, mgOnGpu::fptype*)’:
        ../../src/HelAmps_sm.h:1495:5: error: expected ‘,’ or ‘;’ before ‘V1’
         1495 |     V1[2] = denom * ( P1[0] * ( TMP19 * ( +cI * ( TMP20 + TMP21 ) - cI * ( TMP22 + TMP23 ) ) + ( TMP10 * ( -one ) * ( +cI * ( TMP16 + TMP17 ) ) + ( TMP14 * ( +cI * ( TMP15 + TMP18 ) ) + ( -cI * ( TMP15 * TMP16 ) + cI * ( TMP17 * TMP18 ) ) ) ) ) + TMP13 * ( TMP19 * ( -cI * P2[0] + cI * P3[0] ) + ( V2[2] * ( -cI * TMP14 + cI * TMP16 ) + V3[2] * ( +cI * TMP10 - cI * TMP18 ) ) ) );
              |     ^~

[stloufra]

Olivier PR solves the issue - tested.