fix trailing whitespace issues that crept in here and there

src/internal/libc.h

@@ -27,7 +27,7 @@ extern size_t __hwcap;
 #if __GNUC__ < 4
 #define BROKEN_VISIBILITY 1
 #endif
-#define ATTR_LIBC_VISIBILITY __attribute__((visibility("hidden"))) 
+#define ATTR_LIBC_VISIBILITY __attribute__((visibility("hidden")))
 #else
 #define ATTR_LIBC_VISIBILITY
 #endif

src/math/sincosf.c

@@ -48,7 +48,7 @@ void sincosf(float x, float *sin, float *cos)
 	}
 
 	/* |x| ~<= 5*pi/4 */
-	if (ix <= 0x407b53d1) {  
+	if (ix <= 0x407b53d1) {
 		if (ix <= 0x4016cbe3) {  /* |x| ~<= 3pi/4 */
 			if (hx < 0x80000000) {
 				*sin = __cosdf(x - s1pio2);

src/misc/arch_prctl.c

@@ -3,7 +3,7 @@
 #include "libc.h"
 int __arch_prctl(int code, unsigned long addr)
 {
-	return syscall(SYS_arch_prctl, code, addr);	
+	return syscall(SYS_arch_prctl, code, addr);
 }
 weak_alias(__arch_prctl, arch_prctl);
 #endif

src/misc/personality.c

@@ -2,6 +2,6 @@
 #ifdef SYS_personality
 int personality(unsigned long persona)
 {
-	return syscall(SYS_personality, persona);	
+	return syscall(SYS_personality, persona);
 }
 #endif