Fix some warnings.

cde/lib/DtSearch/boolyac.y

@@ -41,6 +41,9 @@
  */
 #include <stddef.h>
 #include "boolpars.h"
+
+void yyerror(char *);
+int yylex(void);
 %}
 
 %union {

cde/lib/DtSearch/raima/crread.c

@@ -53,7 +53,7 @@
 int
 d_crread(
 long field, /* Field constant */
-char *data, /* Data area to contain field contents */
+void *data, /* Data area to contain field contents */
 int dbn     /* database number */
 )
 {

cde/lib/DtSearch/raima/crwrite.c

@@ -53,7 +53,7 @@
 int
 d_crwrite(
 long field, /* field constant */
-char *data, /* data area to contain field contents */
+void *data, /* data area to contain field contents */
 int dbn     /* database number */
 )
 {

cde/lib/DtSearch/raima/fillnew.c

@@ -57,7 +57,7 @@
 int
 d_fillnew(
 int nrec,       /* record number */
-const char *recval, /* record value */
+const void *recval, /* record value */
 int dbn       /* database number */
 )
 {

cde/lib/DtSearch/raima/recread.c

@@ -53,7 +53,7 @@
 */
 int
 d_recread(
-char *rec, /* ptr to record area */
+void *rec, /* ptr to record area */
 int dbn
 )
 {

cde/lib/DtSearch/raima/recwrite.c

@@ -53,7 +53,7 @@
 */
 int
 d_recwrite(
-const char *rec, /* ptr to record area */
+const void *rec, /* ptr to record area */
 int dbn
 )
 {