libDtSearch: Resolve 137 -Wunused-variable warnings.

cde/lib/DtSearch/raima/dblfcns.c

@@ -170,8 +170,9 @@ int db_glob_init = 0;
    calls would complete before a new task is run.  If this assumption is
    ever "broken" then lock_reply will need to be placed back within db_global
    again */
-
+#ifndef SINGLE_USER
 static LR_LOCK lock_reply;		/* This used to be in db_global */
+#endif
 
 #ifdef MULTI_TASK
 DB_TASK Currtask = {POINTER_ASSIGN((TASK FAR *)&db_global), POINTER_ASSIGN((char FAR *)NULL)};

cde/lib/DtSearch/raima/dbtype.h

@@ -464,7 +464,7 @@ typedef struct {LONG FAR *ptr; LOCK_DESC} LONG_P;
 #ifndef NO_COUNTRY
 typedef struct {struct CNTRY_TBL_S FAR *ptr; LOCK_DESC} CNTRY_TBL_P;
 #endif
-static struct sk {
+struct sk {
    INT sk_fld;
    CHAR_P sk_val;
 } __SK__;

cde/lib/DtSearch/raima/destroy.c

@@ -61,7 +61,9 @@ TASK_DECL
 {
    register int ft_lc;			/* loop control */
    register FILE_ENTRY FAR *file_ptr;
+#ifndef NO_TRANS
    int ovfl_save;
+#endif
 
    DB_ENTER(NO_DB_ID TASK_ID LOCK_SET(LOCK_ALL));
 

cde/lib/DtSearch/raima/dio.c

@@ -598,7 +598,9 @@ FILE_NO to_file;   /* ..to (not thru) file "to_file" */
    PAGE_ENTRY FAR *pg_ptr;
    PGZERO FAR *pgzero_ptr;
    FILE_ENTRY FAR *file_ptr;
+#ifndef SINGLE_USER
    int FAR *appl_ptr, FAR *excl_ptr;
+#endif
 
 #ifndef SINGLE_USER
    /* 
@@ -705,7 +707,9 @@ FILE_NO to_file;   /* ..to (not thru) file "to_file" */
 int dio_flush()
 {
    register int pgt_lc;			/* loop control */
+#ifndef NO_TRANS
    int fno;
+#endif
    PAGE_ENTRY FAR *pg_ptr;
    LOOKUP_ENTRY FAR *lu_ptr;
 

cde/lib/DtSearch/raima/rwcurr.c

@@ -51,9 +51,6 @@
 #include "vista.h"
 #include "dbtype.h"
 
-static DB_ADDR_P Cb = POINTER_INIT();
-#define cb (Cb.ptr)
-
 
 /* Read currency table
 */