Change the name of an internal function to avoid conflicts with the math

library.

FossilOrigin-Name: 1bd1484cd7e09709d87aa84b82e87597d00a4162

src/func.c

@@ -779,7 +779,7 @@ static void sourceidFunc(
 ** sqlite3_log().  The return value is NULL.  The function exists purely for
 ** its side-effects.
 */
-static void logFunc(
+static void errlogFunc(
   sqlite3_context *context,
   int argc,
   sqlite3_value **argv
@@ -1556,7 +1556,7 @@ void sqlite3RegisterGlobalFunctions(void){
     FUNCTION(nullif,             2, 0, 1, nullifFunc       ),
     FUNCTION(sqlite_version,     0, 0, 0, versionFunc      ),
     FUNCTION(sqlite_source_id,   0, 0, 0, sourceidFunc     ),
-    FUNCTION(sqlite_log,         2, 0, 0, logFunc          ),
+    FUNCTION(sqlite_log,         2, 0, 0, errlogFunc       ),
 #ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS
     FUNCTION(sqlite_compileoption_used,1, 0, 0, compileoptionusedFunc  ),
     FUNCTION(sqlite_compileoption_get, 1, 0, 0, compileoptiongetFunc  ),