fix some minor build issues

src/lnav.cc

@@ -295,7 +295,9 @@ public:
 
     void logfile_indexing(logfile &lf, off_t off, size_t total)
     {
-	assert(off <= total);
+	// XXX assert(off <= total);
+	if (off > total)
+	    off = total;
 	
 	if (abs(off - this->lo_last_offset) > (128 * 1024) ||
 	    (size_t)off == total) {

src/log_format.cc

@@ -1,6 +1,7 @@
 
 #include "config.h"
 
+#include <stdio.h>
 #include <stdarg.h>
 #include <string.h>
 

src/log_format.hh

@@ -4,6 +4,7 @@
 
 #include <assert.h>
 #include <time.h>
+#include <inttypes.h>
 #include <sys/types.h>
 
 #include <string>

src/log_format_impls.cc

@@ -1,4 +1,6 @@
 
+#include <stdio.h>
+
 #include "log_format.hh"
 #include "log_vtab_impl.hh"
 

src/piper_proc.cc

@@ -1,4 +1,7 @@
 
+#include "config.h"
+
+#include <stdio.h>
 #include <errno.h>
 #include <paths.h>
 #include <sys/types.h>