Fix file endings

sw/exec.c

@@ -58,4 +58,4 @@ void exec(char* filename) {
 
 
 	}
-}
+}

sw/exec.h

@@ -3,4 +3,4 @@
 
 void exec(char* filename);
 
-#endif
+#endif

sw/fat.c

@@ -70,4 +70,4 @@ void fat_read(char* filename, void* buf) {
 	cluster = ((uint32_t)dos_dentry->first_cluster_h << 16) + dos_dentry->first_cluster_l;
 
 	sd_readblock(data_region_start + (cluster - 2) * 8, buf);
-}
+}

sw/fat.h

@@ -108,4 +108,4 @@ void fat_print_pbp_info(ebpb_t* epbp);
 void fat_init();
 void fat_read(char* filename, void* buf);
 
-#endif
+#endif

sw/o65.c

@@ -25,4 +25,4 @@ void o65_print_option(o65_opt_t* opt) {
         cprintf("%x", opt->data[0]);
     }
     cprintf("\n\n");
-}
+}

sw/o65.h

@@ -63,5 +63,3 @@ typedef struct {
 void o65_print_option(o65_opt_t* opt);
 
 #endif
-
-

sw/sd_card.h

@@ -15,4 +15,4 @@ void sd_card_resp(uint32_t* resp);
 uint8_t sd_card_read_byte();
 void sd_card_wait_for_data();
 
-#endif
+#endif