fix missing II update in NPROW=1 branch of p?lanhs

[kyungminlee]

In the NPROW=1 path of PCLANHS/PDLANHS/PSLANHS/PZLANHS, II was not incremented by JB after processing the first block of columns. As a result, the row bound MIN(II+LL-JJ+1, IIA+NP-1) used inside the subsequent column-block loop tracked the Hessenberg diagonal at the wrong row, causing upper-triangle entries past the first block to be skipped and the computed norm to be incorrect.

Add II = II + JB after the first-block END IF in each of the four norm branches (M, 1, I, F), matching the equivalent update already present in the NPROW>1 branch.

Repro

NORM=M, N = 8, NB = 4, 1×1 grid, with 99 planted at A(6,5) (true ||A||_max = 99):

        c1   c2   c3   c4   c5   c6   c7   c8
   r1 [  1    2    3    4    5    6    7    8 ]
   r2 [  9   10   11   12   13   14   15   16 ]
   r3 [  0   17   18   19   20   21   22   23 ]
   r4 [  0    0   24   25   26   27   28   29 ]
   r5 [  0    0    0   30   31   32   33   34 ]
   r6 [  0    0    0    0   99   35   36   37 ]
   r7 [  0    0    0    0    0   38   39   40 ]
   r8 [  0    0    0    0    0    0   41   42 ]

• Buggy: return s 34. the second block scans min(LL - 3, 8) rows instead of min(LL + 1, 8), missing the
  entry at row 6.
• Fixed: returns 99.