Complete warning-free build on old PPC iBook.

FossilOrigin-Name: ef2a0850394b1c6c1fc84b26694a3712ae1e50d52bb78fea2ec40148a7d833de

src/sqliteInt.h

@@ -861,6 +861,7 @@ typedef INT16_TYPE LogEst;
 #   define SQLITE_PTRSIZE __SIZEOF_POINTER__
 # elif defined(i386)     || defined(__i386__)   || defined(_M_IX86) ||    \
        defined(_M_ARM)   || defined(__arm__)    || defined(__x86)   ||    \
+      (defined(__APPLE__) && defined(__POWERPC__)) ||                     \
       (defined(__TOS_AIX__) && !defined(__64BIT__))
 #   define SQLITE_PTRSIZE 4
 # else

src/vdbeaux.c

@@ -1660,7 +1660,7 @@ char *sqlite3VdbeDisplayP4(sqlite3 *db, Op *pOp){
     case P4_COLLSEQ: {
       static const char *const encnames[] = {"?", "8", "16LE", "16BE"};
       CollSeq *pColl = pOp->p4.pColl;
-      assert( pColl->enc>=0 && pColl->enc<4 );
+      assert( pColl->enc<4 );
       sqlite3_str_appendf(&x, "%.18s-%s", pColl->zName,
                           encnames[pColl->enc]);
       break;