introduce bb_putchar(). saves ~1800 on uclibc (less on glibc).
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		@@ -15,7 +15,7 @@
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#if !ENABLE_FEATURE_CHECK_TAINTED_MODULE
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static void check_tainted(void) { puts(""); }
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static void check_tainted(void) { bb_putchar('\n'); }
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#else
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#define TAINT_FILENAME                  "/proc/sys/kernel/tainted"
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#define TAINT_PROPRIETORY_MODULE        (1<<0)
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@@ -128,7 +128,7 @@ int lsmod_main(int argc, char **argv)
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		}
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		if (count) printf("]");
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		puts("");
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		bb_putchar('\n');
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	}
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#if ENABLE_FEATURE_CLEAN_UP
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@@ -178,7 +178,7 @@ int lsmod_main(int argc, char **argv)
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				}
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				printf(" %s", tok);
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			}
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			puts("");
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			bb_putchar('\n');
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			free(line);
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		}
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		fclose(file);
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