improve readability of string: fix indentation and remove trailing spaces

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>

libc/string/strcasecmp.c

@@ -98,8 +98,8 @@ strncasecmp(const char *s1, const char *s2, size_t n)
 			if (cm[*us1] != cm[*us2++])
 				return (cm[*us1] - cm[*--us2]);
 			if (*us1++ == '\0')
-      break;
+				break;
 		} while (--n != 0);
-  }
+	}
 	return (0);
 }

libc/string/strchr.c

@@ -38,6 +38,6 @@ strchr(const char *p, int ch)
 			return((char *)p);
 		if (!*p)
 			return((char *)NULL);
-  }
+	}
 	/* NOTREACHED */
 }

libc/string/strcoll.c

@@ -36,5 +36,5 @@
 int
 strcoll(const char *s1, const char *s2)
 {
-	return strcmp (s1, s2);
+	return strcmp(s1, s2);
 }

libc/string/strlcat.c

@@ -46,9 +46,9 @@ strlcat(char *dst, const char *src, size_t siz)
 		if (n != 1) {
 			*d++ = *s;
 			n--;
-  }
+		}
 		s++;
-  }
+	}
 	*d = '\0';
 
 	return(dlen + (s - src));	/* count does not include NUL */

libc/string/strlcpy.c

@@ -37,7 +37,7 @@ strlcpy(char *dst, const char *src, size_t siz)
 			if ((*d++ = *s++) == '\0')
 				break;
 		}
-  }
+	}
 
 	/* Not enough room in dst, add NUL and traverse rest of src */
 	if (n == 0) {

libc/string/strncat.c

@@ -52,6 +52,6 @@ strncat(char *dst, const char *src, size_t n)
 			d++;
 		} while (--n != 0);
 		*d = 0;
-  }
+	}
 	return (dst);
 }

libc/string/strncmp.c

@@ -38,14 +38,13 @@
 int
 strncmp(const char *s1, const char *s2, size_t n)
 {
-
 	if (n == 0)
 		return (0);
 	do {
 		if (*s1 != *s2++)
 			return (*(unsigned char *)s1 - *(unsigned char *)--s2);
 		if (*s1++ == 0)
-      break;
+			break;
 	} while (--n != 0);
 	return (0);
 }

libc/string/strncpy.c

@@ -54,8 +54,8 @@ strncpy(char *dst, const char *src, size_t n)
 				/* NUL pad the remaining n-1 bytes */
 				while (--n != 0)
 					*d++ = 0;
-      break;
+				break;
-  }
+			}
 		} while (--n != 0);
 	}
 	return (dst);

libc/string/strrchr.c

@@ -40,6 +40,6 @@ strrchr(const char *p, int ch)
 			save = (char *)p;
 		if (!*p)
 			return(save);
-  }
+	}
 	/* NOTREACHED */
 }

libc/string/strstr.c

@@ -51,6 +51,6 @@ strstr(const char *s, const char *find)
 			} while (sc != c);
 		} while (strncmp(s, find, len) != 0);
 		s--;
-    }
+	}
 	return ((char *)s);
 }