Fix the issue of mete-vlocal not being initialized.

[A-006]

Reminder

In pvpr_reduced, the initialized variable should be used. The code was causing errors due to uninitialized variables, and it has been fixed.

Linked Issue

Fix #4927

The test results are as follows, The calculation results match the previous calculations.

> ` 
> Initial plane wave basis and FFT box
>  ---------------------------------------------------------
>  DONE(0.838252   SEC) : INIT PLANEWAVE
>  -------------------------------------------
>  SELF-CONSISTENT : 
>  -------------------------------------------
>  START CHARGE      : atomic
>  DONE(30.1407    SEC) : INIT SCF
>  * * * * * *
>  << Start SCF iteration.
>  ITER      TMAG       AMAG        ETOT/eV          EDIFF/eV         DRHO         DKIN     TIME/s
>  GE1      1.60e+02   1.68e+02  -2.63961105e+05   0.00000000e+00   6.8122e-02   2.3313e+00 173.07
> `
> 

[kirk0830]

I will invite @QuantumMiska to try and feedback

[A-006]

I will invite @QuantumMiska to try and feedback

The latest code seems to have extra output.

[kirk0830]

@A-006 Never mind, I have submitted another PR fix this

[QuantumMisaka]

SCAN Test passed for Fe, Fe3C and Fe5C2-510