trends.c: In function ‘draw_time_breakdowns’: trends.c:2747: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness trends.c:2751: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness trends.c:2755: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness trends.c:2759: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness trends.c:2764: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness trends.c:2768: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness trends.c:2772: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness trends.c:2776: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness trends.c:2780: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness histogram.c: In function ‘graph_all_histogram_data’: histogram.c:1652: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness histogram.c:1674: warning: pointer targets in passing argument 5 of ‘gdImageStringUp’ differ in signedness histogram.c:1681: warning: pointer targets in passing argument 5 of ‘gdImageStringUp’ differ in signedness histogram.c:1694: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness histogram.c:1968: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness histogram.c:1973: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness histogram.c:1980: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness histogram.c:1986: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness histogram.c:1991: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness histogram.c:1997: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness histogram.c:2002: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness histogram.c:2008: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness histogram.c:2015: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness histogram.c:2021: warning: pointer targets in passing argument 5 of ‘gdImageString’ differ in signedness