Some C+ help needed for an RPG guy

I've got two C++ source members provided by a vendor to digest a PIN# using
the NIST's secure hash algorithm.  sha.h and sha_func

I've placed the two source members in QCPPSRC in my library.  We're running
v5r1 so we have the C stuff.

Using the command: CRTBNDC PGM(TJWCUSTSRC/SHA_FUNC)          
        SRCFILE(TJWCUSTSRC/QCPPSRC)       
        TEXT('Digest PIN#')               
        OUTPUT(*PRINT)                    
        OPTION(*EXPMAC *SHOWINC *NOLOGMSG)
        CHECKOUT(*PARM)                   
        DBGVIEW(*ALL)                     
        FLAG(30)                          
        MSGLMT(10)                        

It won't find the sha.h file specified in the line: #include "sha.h"

Can any of the C++ coders tell me what I'm missing?  I did try inlcuding the
lib/file/ in the double quotes which caused things to blow with the MCH3601
in QC2UTIL1.

Thanks!
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