Fix build warning due to string truncation
Fix build warning due to string truncation

strncpy gives an "output may be truncated" warning in newer versions of
GCC due to *pBuf being larger (100) than *pHeaderStr (16).  Use memcpy
and explicitly null-terminate the target string.

SRombauts/SQLiteCpp,SRombauts/SQLiteCpp,SRombauts/SQLiteCpp