Minor cleanup fixes

- Fix spelling errors
- Remove extra semicolons
- Remove extra spaces

Fixes #1650

repos/dde_linux/src/lib/libnl/lxcc_emul.cc

@@ -324,7 +324,7 @@ int asprintf(char **strp, const char *fmt, ...)
 	sc.vprintf(fmt, args);
 	va_end(args);
 
-	return strlen(p);;
+	return strlen(p);
 }
 
 

repos/dde_linux/src/lib/lxip/include/lx_emul.h

@@ -1766,7 +1766,7 @@ char  *strcat(char *dest, const char *src);
 int    strcmp(const char *, const char *);
 int    strncmp(const char *, const char *, size_t);
 char  *strcpy(char *to, const char *from);
-char * strncpy(char *,const char *, __kernel_size_t);;
+char * strncpy(char *,const char *, __kernel_size_t);
 size_t strlcpy(char *dest, const char *src, size_t size);
 char * strsep(char **,const char *);
 

repos/dde_linux/src/lib/usb/dummies.c

@@ -668,7 +668,7 @@ void dma_unmap_sg_attrs(struct device *dev, struct scatterlist *sg,
 
 
 void dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
-                    enum dma_data_direction direction) { SKIP;; }
+                    enum dma_data_direction direction) { SKIP; }
 
 int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) { SKIP; return 0; }
 

repos/dde_linux/src/lib/usb/input/evdev.c

@@ -27,7 +27,7 @@
 #include <lx_emul.h>
 
 /* Callback function to Genode subsystem */
-static genode_input_event_cb handler;;
+static genode_input_event_cb handler;
 
 static unsigned long screen_x  = 0;
 static unsigned long screen_y  = 0;