[editor] Do not reject the first frame of reference video which start…

…s at zero as candidate in getFrameNumFromPtsOrBefore()

This fixes seek to the second keyframe instead of to the first one when dragging the navigation slider fully to the left in a video with the first frame PTS = 0.

avidemux/common/ADM_editor/src/ADM_edSearch.cpp

@@ -21,7 +21,11 @@ using std::string;
 #include "ADM_edit.hxx"
 #include "ADM_vidMisc.h"
 
+#if 1
 #define pivotPrintf(...) {}
+#else
+#define pivotPrintf printf
+#endif
 
 /**
     \fn getNKFramePTS
@@ -355,7 +359,7 @@ bool ADM_Composer::getFrameNumFromPtsOrBefore(_VIDEOS *v,uint64_t refTime,int &f
             frameNumber = curFrame;
             return true;
         }
-        if(pts >= rangeBegin && pts > last && pts < refTime)
+        if(pts >= rangeBegin && (last? pts > last : true) && pts < refTime)
         {
             candidate = curFrame;
             last = pts;