[MIPS] Fix "no space between function name and open parenthesis" warnings.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/include/asm-mips/prctl.h b/include/asm-mips/prctl.h
index 4aaaff6..8121a9a 100644
--- a/include/asm-mips/prctl.h
+++ b/include/asm-mips/prctl.h
@@ -36,6 +36,6 @@
 
 #define t_sys           prda_sys
 
-ptrdiff_t prctl (int op, int v1, int v2);
+ptrdiff_t prctl(int op, int v1, int v2);
 
 #endif