fixed PluginBMP, PluginDDS for compilation under Big Endian OS (see
FREEIMAGE_BIGENDIAN)
https://sourceforge.net/p/freeimage/svn/1809/

Index: Source/FreeImage/PluginBMP.cpp
--- Source/FreeImage/PluginBMP.cpp.orig
+++ Source/FreeImage/PluginBMP.cpp
@@ -518,7 +518,7 @@ LoadWindowsBMP(FreeImageIO *io, fi_handle handle, int 
 				io->read_proc(FreeImage_GetPalette(dib), used_colors * sizeof(RGBQUAD), 1, handle);
 #if FREEIMAGE_COLORORDER == FREEIMAGE_COLORORDER_RGB
 				RGBQUAD *pal = FreeImage_GetPalette(dib);
-				for(int i = 0; i < used_colors; i++) {
+				for(unsigned i = 0; i < used_colors; i++) {
 					INPLACESWAP(pal[i].rgbRed, pal[i].rgbBlue);
 				}
 #endif
@@ -1419,7 +1419,7 @@ Save(FreeImageIO *io, FIBITMAP *dib, fi_handle handle,
 
 			free(buffer);
 #ifdef FREEIMAGE_BIGENDIAN
-		} else if (bpp == 16) {
+		} else if (dst_bpp == 16) {
 			int padding = dst_pitch - dst_width * sizeof(WORD);
 			WORD pad = 0;
 			WORD pixel;
@@ -1440,7 +1440,7 @@ Save(FreeImageIO *io, FIBITMAP *dib, fi_handle handle,
 			}
 #endif
 #if FREEIMAGE_COLORORDER == FREEIMAGE_COLORORDER_RGB
-		} else if (bpp == 24) {
+		} else if (dst_bpp == 24) {
 			int padding = dst_pitch - dst_width * sizeof(FILE_BGR);
 			DWORD pad = 0;
 			FILE_BGR bgr;
@@ -1461,7 +1461,7 @@ Save(FreeImageIO *io, FIBITMAP *dib, fi_handle handle,
 					}
 				}
 			}
-		} else if (bpp == 32) {
+		} else if (dst_bpp == 32) {
 			FILE_BGRA bgra;
 			for(unsigned y = 0; y < dst_height; y++) {
 				BYTE *line = FreeImage_GetScanLine(dib, y);
